0123_1230_1302_3021
Counting sequence:
1, 1, 2, 6, 20, 60, 158, 382, 876, 1944, 4226, 9066, 19280, 40756, 85782, 179958, 376532, 786096, 1638026, 3407458, 7077432, 14679564, 30408158, 62913966, 130022780, 268434760, 553647378, 1140849882, 2348809376, 4831837284, 9932110886, 20401093606, 41875930020, 85899344736, 176093657882, 360777251538, 738734373512, 1511828486716, 3092376451566, 6322191858078, 12919261624652, 26388279064824, 53876069759138, 109951162775626, 224300372064240, 457396837152660, 932385860351798, 1899956092794582, 3870280929769076, 7881299347895824, 16044073672504746, 32651097298433346, 66428094503711960, 135107988821111916, 274719577269597182, 558446353793938318, 1134907106097361692, 2305843009213690536, 4683743612465312306, 9511602413006483898, 19311435202164683072, 39199331156632793284, 79551583817872437318, 161409010644958572486, 327429707308344536900, 664082786653543853760, 1346612317380797263418, 2730118122909013634482, 5534023222112865479976, 11215620396815407377564, 22726388698810167585806, 46043073207979040828286, 93266738036675492965100, 188894659314785808542296, 382511685112441262303682, 774468103190621815040298, 1567825672312722210941072, 3173430276488401583597556, 6422418416702717490620246, 12995952560857263628084918, 26294136576618184549852692, 53192736063043683687064944, 107594397945701996548842698, 217606647530633251447104546, 440048998339725019593040760, 889769403236367072583738060, 1798881619586568211962782238, 3636448865400804557516169582, 7350268983256945382213542076, 14855280471424563298789482504, 30020045952670471666303754066, 60659061924983633470057078426, 122556063889252647215013289440, 247588007857076054979824835876, 500127775871293631059246177382, 1010159072056870304317685357478, 2040125184742306693033756711652, 4119864450741745554864285407776, 8318957063997755447322114775386, 16796370453024039569831317461138, 33909653556105136490036810733512
Generating function in Maple syntax:
-(4*x^7-4*x^6-4*x^5+7*x^4-14*x^3+14*x^2-6*x+1)/(2*x-1)^2/(x-1)^3
Generating function in latex syntax:
-\frac{4 x^{7}-4 x^{6}-4 x^{5}+7 x^{4}-14 x^{3}+14 x^{2}-6 x +1}{\left(2 x -1\right)^{2} \left(x -1\right)^{3}}
Generating function in sympy syntax:
(-4*x**7 + 4*x**6 + 4*x**5 - 7*x**4 + 14*x**3 - 14*x**2 + 6*x - 1)/((x - 1)**3*(2*x - 1)**2)
Implicit equation for the generating function in Maple syntax:
(2*x-1)^2*(x-1)^3*F(x)+4*x^7-4*x^6-4*x^5+7*x^4-14*x^3+14*x^2-6*x+1 = 0
Implicit equation for the generating function in latex syntax:
\left(2 x -1\right)^{2} \left(x -1\right)^{3} F \! \left(x \right)+4 x^{7}-4 x^{6}-4 x^{5}+7 x^{4}-14 x^{3}+14 x^{2}-6 x +1 = 0
Explicit closed form in Maple syntax:
piecewise(Or(n = 0,n = 1),1,n = 2,2,1/4*(n+7)*2^n-n^2-3*n+4)
Explicit closed form in latex syntax:
\left\{\begin{array}{cc}1 & n =0\text{ or } n =1 \\ 2 & n =2 \\ \frac{\left(n +7\right) 2^{n}}{4}-n^{2}-3 n +4 & \mathit{\text{otherwise}} \end{array}\right.
Recurrence in maple format:
a(0) = 1
a(1) = 1
a(2) = 2
a(3) = 6
a(4) = 20
a(5) = 60
a(6) = 158
a(7) = 382
a(n+2) = -n^2-4*a(n)+4*a(n+1)+n+10, n >= 8
Recurrence in latex format:
a \! \left(0\right) = 1
a \! \left(1\right) = 1
a \! \left(2\right) = 2
a \! \left(3\right) = 6
a \! \left(4\right) = 20
a \! \left(5\right) = 60
a \! \left(6\right) = 158
a \! \left(7\right) = 382
a \! \left(n +2\right) = -n^{2}-4 a \! \left(n \right)+4 a \! \left(n +1\right)+n +10, \quad n \geq 8
Specification 1
Strategy pack name: point_placements
Tree: http://permpal.com/tree/15180/
System of equations in Maple syntax:
F[0,x] = F[1,x]+F[2,x]
F[1,x] = 1
F[2,x] = F[3,x]
F[3,x] = F[4,x]*F[5,x]
F[4,x] = x
F[5,x] = F[46,x]+F[6,x]
F[6,x] = F[1,x]+F[7,x]
F[7,x] = F[8,x]
F[8,x] = F[4,x]*F[9,x]
F[9,x] = F[10,x]+F[13,x]
F[10,x] = F[1,x]+F[11,x]
F[11,x] = F[12,x]
F[12,x] = F[10,x]*F[4,x]
F[13,x] = F[14,x]+F[26,x]
F[14,x] = F[15,x]
F[15,x] = F[16,x]*F[4,x]
F[16,x] = F[17,x]+F[18,x]
F[17,x] = F[1,x]+F[4,x]
F[18,x] = F[14,x]+F[19,x]
F[19,x] = F[20,x]+F[21,x]+F[25,x]
F[20,x] = 0
F[21,x] = F[22,x]*F[4,x]
F[22,x] = F[23,x]+F[24,x]
F[23,x] = F[4,x]
F[24,x] = F[19,x]
F[25,x] = F[14,x]*F[4,x]
F[26,x] = F[20,x]+F[27,x]+F[43,x]
F[27,x] = F[28,x]*F[4,x]
F[28,x] = F[29,x]+F[33,x]
F[29,x] = F[11,x]+F[30,x]
F[30,x] = F[31,x]
F[31,x] = F[32,x]*F[4,x]
F[32,x] = F[30,x]+F[4,x]
F[33,x] = F[26,x]+F[34,x]
F[34,x] = 2*F[20,x]+F[35,x]+F[39,x]
F[35,x] = F[36,x]*F[4,x]
F[36,x] = F[37,x]+F[38,x]
F[37,x] = F[30,x]
F[38,x] = F[34,x]
F[39,x] = F[4,x]*F[40,x]
F[40,x] = F[41,x]+F[42,x]
F[41,x] = F[25,x]
F[42,x] = F[39,x]
F[43,x] = F[4,x]*F[44,x]
F[44,x] = F[14,x]+F[45,x]
F[45,x] = F[43,x]
F[46,x] = F[47,x]+F[81,x]
F[47,x] = F[48,x]
F[48,x] = F[4,x]*F[49,x]
F[49,x] = F[50,x]+F[53,x]
F[50,x] = F[1,x]+F[51,x]
F[51,x] = F[52,x]
F[52,x] = F[17,x]*F[4,x]
F[53,x] = F[47,x]+F[54,x]
F[54,x] = F[20,x]+F[55,x]+F[79,x]
F[55,x] = F[4,x]*F[56,x]
F[56,x] = F[57,x]+F[60,x]
F[57,x] = F[51,x]+F[58,x]
F[58,x] = F[59,x]
F[59,x] = F[23,x]*F[4,x]
F[60,x] = F[54,x]+F[61,x]
F[61,x] = 2*F[20,x]+F[62,x]+F[66,x]
F[62,x] = F[4,x]*F[63,x]
F[63,x] = F[64,x]+F[65,x]
F[64,x] = F[58,x]
F[65,x] = F[61,x]
F[66,x] = F[4,x]*F[67,x]
F[67,x] = F[68,x]
F[68,x] = F[69,x]
F[69,x] = F[4,x]*F[70,x]
F[70,x] = F[71,x]+F[73,x]
F[71,x] = F[4,x]+F[72,x]
F[72,x] = F[59,x]
F[73,x] = F[68,x]+F[74,x]
F[74,x] = 2*F[20,x]+F[66,x]+F[75,x]
F[75,x] = F[4,x]*F[76,x]
F[76,x] = F[77,x]+F[78,x]
F[77,x] = F[72,x]
F[78,x] = F[74,x]
F[79,x] = F[4,x]*F[80,x]
F[80,x] = F[47,x]+F[68,x]
F[81,x] = F[169,x]+F[20,x]+F[82,x]
F[82,x] = F[4,x]*F[83,x]
F[83,x] = F[104,x]+F[84,x]
F[84,x] = F[7,x]+F[85,x]
F[85,x] = F[20,x]+F[86,x]+F[87,x]
F[86,x] = F[29,x]*F[4,x]
F[87,x] = F[4,x]*F[88,x]
F[88,x] = F[89,x]+F[93,x]
F[89,x] = F[51,x]+F[90,x]
F[90,x] = F[91,x]
F[91,x] = F[4,x]*F[92,x]
F[92,x] = F[11,x]
F[93,x] = F[94,x]+F[99,x]
F[94,x] = F[95,x]
F[95,x] = F[4,x]*F[96,x]
F[96,x] = F[97,x]+F[98,x]
F[97,x] = F[51,x]
F[98,x] = F[94,x]
F[99,x] = F[100,x]
F[100,x] = F[101,x]*F[4,x]
F[101,x] = F[102,x]+F[103,x]
F[102,x] = F[90,x]
F[103,x] = F[99,x]
F[104,x] = F[105,x]+F[81,x]
F[105,x] = F[106,x]+F[135,x]+F[149,x]+F[20,x]
F[106,x] = F[107,x]*F[4,x]
F[107,x] = F[108,x]+F[111,x]
F[108,x] = F[109,x]+F[85,x]
F[109,x] = F[110,x]
F[110,x] = F[37,x]*F[4,x]
F[111,x] = F[105,x]+F[112,x]
F[112,x] = 2*F[20,x]+F[113,x]+F[117,x]+F[134,x]
F[113,x] = F[114,x]*F[4,x]
F[114,x] = F[115,x]+F[116,x]
F[115,x] = F[109,x]
F[116,x] = F[112,x]
F[117,x] = F[118,x]*F[4,x]
F[118,x] = F[119,x]
F[119,x] = F[120,x]
F[120,x] = F[121,x]*F[4,x]
F[121,x] = F[122,x]+F[126,x]
F[122,x] = F[123,x]+F[30,x]
F[123,x] = F[124,x]
F[124,x] = F[125,x]*F[4,x]
F[125,x] = F[30,x]
F[126,x] = F[119,x]+F[127,x]
F[127,x] = 3*F[20,x]+F[128,x]+F[132,x]
F[128,x] = F[129,x]*F[4,x]
F[129,x] = F[130,x]+F[131,x]
F[130,x] = F[123,x]
F[131,x] = F[127,x]
F[132,x] = F[133,x]*F[4,x]
F[133,x] = F[119,x]
F[134,x] = 0
F[135,x] = F[136,x]*F[4,x]
F[136,x] = F[119,x]+F[137,x]
F[137,x] = F[138,x]
F[138,x] = F[139,x]*F[4,x]
F[139,x] = F[140,x]+F[141,x]
F[140,x] = F[11,x]+F[90,x]
F[141,x] = F[137,x]+F[142,x]
F[142,x] = 2*F[20,x]+F[143,x]+F[147,x]
F[143,x] = F[144,x]*F[4,x]
F[144,x] = F[145,x]+F[146,x]
F[145,x] = F[90,x]
F[146,x] = F[142,x]
F[147,x] = F[148,x]*F[4,x]
F[148,x] = F[137,x]
F[149,x] = F[150,x]*F[4,x]
F[150,x] = F[151,x]+F[158,x]
F[151,x] = F[152,x]+F[155,x]
F[152,x] = F[153,x]
F[153,x] = F[154,x]*F[4,x]
F[154,x] = F[47,x]
F[155,x] = F[156,x]
F[156,x] = F[157,x]*F[4,x]
F[157,x] = F[137,x]
F[158,x] = F[159,x]+F[164,x]
F[159,x] = F[160,x]
F[160,x] = F[161,x]*F[4,x]
F[161,x] = F[162,x]+F[163,x]
F[162,x] = F[152,x]
F[163,x] = F[159,x]
F[164,x] = F[165,x]
F[165,x] = F[166,x]*F[4,x]
F[166,x] = F[167,x]+F[168,x]
F[167,x] = F[155,x]
F[168,x] = F[164,x]
F[169,x] = F[170,x]*F[4,x]
F[170,x] = F[171,x]+F[172,x]
F[171,x] = F[137,x]+F[47,x]
F[172,x] = F[173,x]+F[177,x]
F[173,x] = F[174,x]
F[174,x] = F[175,x]*F[4,x]
F[175,x] = F[154,x]+F[176,x]
F[176,x] = F[173,x]
F[177,x] = F[178,x]
F[178,x] = F[179,x]*F[4,x]
F[179,x] = F[180,x]+F[181,x]
F[180,x] = F[137,x]
F[181,x] = F[177,x]
System of equations in latex syntax:
F_{0}\! \left(x \right) = F_{1}\! \left(x \right)+F_{2}\! \left(x \right)
F_{1}\! \left(x \right) = 1
F_{2}\! \left(x \right) = F_{3}\! \left(x \right)
F_{3}\! \left(x \right) = F_{4}\! \left(x \right) F_{5}\! \left(x \right)
F_{4}\! \left(x \right) = x
F_{5}\! \left(x \right) = F_{46}\! \left(x \right)+F_{6}\! \left(x \right)
F_{6}\! \left(x \right) = F_{1}\! \left(x \right)+F_{7}\! \left(x \right)
F_{7}\! \left(x \right) = F_{8}\! \left(x \right)
F_{8}\! \left(x \right) = F_{4}\! \left(x \right) F_{9}\! \left(x \right)
F_{9}\! \left(x \right) = F_{10}\! \left(x \right)+F_{13}\! \left(x \right)
F_{10}\! \left(x \right) = F_{1}\! \left(x \right)+F_{11}\! \left(x \right)
F_{11}\! \left(x \right) = F_{12}\! \left(x \right)
F_{12}\! \left(x \right) = F_{10}\! \left(x \right) F_{4}\! \left(x \right)
F_{13}\! \left(x \right) = F_{14}\! \left(x \right)+F_{26}\! \left(x \right)
F_{14}\! \left(x \right) = F_{15}\! \left(x \right)
F_{15}\! \left(x \right) = F_{16}\! \left(x \right) F_{4}\! \left(x \right)
F_{16}\! \left(x \right) = F_{17}\! \left(x \right)+F_{18}\! \left(x \right)
F_{17}\! \left(x \right) = F_{1}\! \left(x \right)+F_{4}\! \left(x \right)
F_{18}\! \left(x \right) = F_{14}\! \left(x \right)+F_{19}\! \left(x \right)
F_{19}\! \left(x \right) = F_{20}\! \left(x \right)+F_{21}\! \left(x \right)+F_{25}\! \left(x \right)
F_{20}\! \left(x \right) = 0
F_{21}\! \left(x \right) = F_{22}\! \left(x \right) F_{4}\! \left(x \right)
F_{22}\! \left(x \right) = F_{23}\! \left(x \right)+F_{24}\! \left(x \right)
F_{23}\! \left(x \right) = F_{4}\! \left(x \right)
F_{24}\! \left(x \right) = F_{19}\! \left(x \right)
F_{25}\! \left(x \right) = F_{14}\! \left(x \right) F_{4}\! \left(x \right)
F_{26}\! \left(x \right) = F_{20}\! \left(x \right)+F_{27}\! \left(x \right)+F_{43}\! \left(x \right)
F_{27}\! \left(x \right) = F_{28}\! \left(x \right) F_{4}\! \left(x \right)
F_{28}\! \left(x \right) = F_{29}\! \left(x \right)+F_{33}\! \left(x \right)
F_{29}\! \left(x \right) = F_{11}\! \left(x \right)+F_{30}\! \left(x \right)
F_{30}\! \left(x \right) = F_{31}\! \left(x \right)
F_{31}\! \left(x \right) = F_{32}\! \left(x \right) F_{4}\! \left(x \right)
F_{32}\! \left(x \right) = F_{30}\! \left(x \right)+F_{4}\! \left(x \right)
F_{33}\! \left(x \right) = F_{26}\! \left(x \right)+F_{34}\! \left(x \right)
F_{34}\! \left(x \right) = 2 F_{20}\! \left(x \right)+F_{35}\! \left(x \right)+F_{39}\! \left(x \right)
F_{35}\! \left(x \right) = F_{36}\! \left(x \right) F_{4}\! \left(x \right)
F_{36}\! \left(x \right) = F_{37}\! \left(x \right)+F_{38}\! \left(x \right)
F_{37}\! \left(x \right) = F_{30}\! \left(x \right)
F_{38}\! \left(x \right) = F_{34}\! \left(x \right)
F_{39}\! \left(x \right) = F_{4}\! \left(x \right) F_{40}\! \left(x \right)
F_{40}\! \left(x \right) = F_{41}\! \left(x \right)+F_{42}\! \left(x \right)
F_{41}\! \left(x \right) = F_{25}\! \left(x \right)
F_{42}\! \left(x \right) = F_{39}\! \left(x \right)
F_{43}\! \left(x \right) = F_{4}\! \left(x \right) F_{44}\! \left(x \right)
F_{44}\! \left(x \right) = F_{14}\! \left(x \right)+F_{45}\! \left(x \right)
F_{45}\! \left(x \right) = F_{43}\! \left(x \right)
F_{46}\! \left(x \right) = F_{47}\! \left(x \right)+F_{81}\! \left(x \right)
F_{47}\! \left(x \right) = F_{48}\! \left(x \right)
F_{48}\! \left(x \right) = F_{4}\! \left(x \right) F_{49}\! \left(x \right)
F_{49}\! \left(x \right) = F_{50}\! \left(x \right)+F_{53}\! \left(x \right)
F_{50}\! \left(x \right) = F_{1}\! \left(x \right)+F_{51}\! \left(x \right)
F_{51}\! \left(x \right) = F_{52}\! \left(x \right)
F_{52}\! \left(x \right) = F_{17}\! \left(x \right) F_{4}\! \left(x \right)
F_{53}\! \left(x \right) = F_{47}\! \left(x \right)+F_{54}\! \left(x \right)
F_{54}\! \left(x \right) = F_{20}\! \left(x \right)+F_{55}\! \left(x \right)+F_{79}\! \left(x \right)
F_{55}\! \left(x \right) = F_{4}\! \left(x \right) F_{56}\! \left(x \right)
F_{56}\! \left(x \right) = F_{57}\! \left(x \right)+F_{60}\! \left(x \right)
F_{57}\! \left(x \right) = F_{51}\! \left(x \right)+F_{58}\! \left(x \right)
F_{58}\! \left(x \right) = F_{59}\! \left(x \right)
F_{59}\! \left(x \right) = F_{23}\! \left(x \right) F_{4}\! \left(x \right)
F_{60}\! \left(x \right) = F_{54}\! \left(x \right)+F_{61}\! \left(x \right)
F_{61}\! \left(x \right) = 2 F_{20}\! \left(x \right)+F_{62}\! \left(x \right)+F_{66}\! \left(x \right)
F_{62}\! \left(x \right) = F_{4}\! \left(x \right) F_{63}\! \left(x \right)
F_{63}\! \left(x \right) = F_{64}\! \left(x \right)+F_{65}\! \left(x \right)
F_{64}\! \left(x \right) = F_{58}\! \left(x \right)
F_{65}\! \left(x \right) = F_{61}\! \left(x \right)
F_{66}\! \left(x \right) = F_{4}\! \left(x \right) F_{67}\! \left(x \right)
F_{67}\! \left(x \right) = F_{68}\! \left(x \right)
F_{68}\! \left(x \right) = F_{69}\! \left(x \right)
F_{69}\! \left(x \right) = F_{4}\! \left(x \right) F_{70}\! \left(x \right)
F_{70}\! \left(x \right) = F_{71}\! \left(x \right)+F_{73}\! \left(x \right)
F_{71}\! \left(x \right) = F_{4}\! \left(x \right)+F_{72}\! \left(x \right)
F_{72}\! \left(x \right) = F_{59}\! \left(x \right)
F_{73}\! \left(x \right) = F_{68}\! \left(x \right)+F_{74}\! \left(x \right)
F_{74}\! \left(x \right) = 2 F_{20}\! \left(x \right)+F_{66}\! \left(x \right)+F_{75}\! \left(x \right)
F_{75}\! \left(x \right) = F_{4}\! \left(x \right) F_{76}\! \left(x \right)
F_{76}\! \left(x \right) = F_{77}\! \left(x \right)+F_{78}\! \left(x \right)
F_{77}\! \left(x \right) = F_{72}\! \left(x \right)
F_{78}\! \left(x \right) = F_{74}\! \left(x \right)
F_{79}\! \left(x \right) = F_{4}\! \left(x \right) F_{80}\! \left(x \right)
F_{80}\! \left(x \right) = F_{47}\! \left(x \right)+F_{68}\! \left(x \right)
F_{81}\! \left(x \right) = F_{169}\! \left(x \right)+F_{20}\! \left(x \right)+F_{82}\! \left(x \right)
F_{82}\! \left(x \right) = F_{4}\! \left(x \right) F_{83}\! \left(x \right)
F_{83}\! \left(x \right) = F_{104}\! \left(x \right)+F_{84}\! \left(x \right)
F_{84}\! \left(x \right) = F_{7}\! \left(x \right)+F_{85}\! \left(x \right)
F_{85}\! \left(x \right) = F_{20}\! \left(x \right)+F_{86}\! \left(x \right)+F_{87}\! \left(x \right)
F_{86}\! \left(x \right) = F_{29}\! \left(x \right) F_{4}\! \left(x \right)
F_{87}\! \left(x \right) = F_{4}\! \left(x \right) F_{88}\! \left(x \right)
F_{88}\! \left(x \right) = F_{89}\! \left(x \right)+F_{93}\! \left(x \right)
F_{89}\! \left(x \right) = F_{51}\! \left(x \right)+F_{90}\! \left(x \right)
F_{90}\! \left(x \right) = F_{91}\! \left(x \right)
F_{91}\! \left(x \right) = F_{4}\! \left(x \right) F_{92}\! \left(x \right)
F_{92}\! \left(x \right) = F_{11}\! \left(x \right)
F_{93}\! \left(x \right) = F_{94}\! \left(x \right)+F_{99}\! \left(x \right)
F_{94}\! \left(x \right) = F_{95}\! \left(x \right)
F_{95}\! \left(x \right) = F_{4}\! \left(x \right) F_{96}\! \left(x \right)
F_{96}\! \left(x \right) = F_{97}\! \left(x \right)+F_{98}\! \left(x \right)
F_{97}\! \left(x \right) = F_{51}\! \left(x \right)
F_{98}\! \left(x \right) = F_{94}\! \left(x \right)
F_{99}\! \left(x \right) = F_{100}\! \left(x \right)
F_{100}\! \left(x \right) = F_{101}\! \left(x \right) F_{4}\! \left(x \right)
F_{101}\! \left(x \right) = F_{102}\! \left(x \right)+F_{103}\! \left(x \right)
F_{102}\! \left(x \right) = F_{90}\! \left(x \right)
F_{103}\! \left(x \right) = F_{99}\! \left(x \right)
F_{104}\! \left(x \right) = F_{105}\! \left(x \right)+F_{81}\! \left(x \right)
F_{105}\! \left(x \right) = F_{106}\! \left(x \right)+F_{135}\! \left(x \right)+F_{149}\! \left(x \right)+F_{20}\! \left(x \right)
F_{106}\! \left(x \right) = F_{107}\! \left(x \right) F_{4}\! \left(x \right)
F_{107}\! \left(x \right) = F_{108}\! \left(x \right)+F_{111}\! \left(x \right)
F_{108}\! \left(x \right) = F_{109}\! \left(x \right)+F_{85}\! \left(x \right)
F_{109}\! \left(x \right) = F_{110}\! \left(x \right)
F_{110}\! \left(x \right) = F_{37}\! \left(x \right) F_{4}\! \left(x \right)
F_{111}\! \left(x \right) = F_{105}\! \left(x \right)+F_{112}\! \left(x \right)
F_{112}\! \left(x \right) = 2 F_{20}\! \left(x \right)+F_{113}\! \left(x \right)+F_{117}\! \left(x \right)+F_{134}\! \left(x \right)
F_{113}\! \left(x \right) = F_{114}\! \left(x \right) F_{4}\! \left(x \right)
F_{114}\! \left(x \right) = F_{115}\! \left(x \right)+F_{116}\! \left(x \right)
F_{115}\! \left(x \right) = F_{109}\! \left(x \right)
F_{116}\! \left(x \right) = F_{112}\! \left(x \right)
F_{117}\! \left(x \right) = F_{118}\! \left(x \right) F_{4}\! \left(x \right)
F_{118}\! \left(x \right) = F_{119}\! \left(x \right)
F_{119}\! \left(x \right) = F_{120}\! \left(x \right)
F_{120}\! \left(x \right) = F_{121}\! \left(x \right) F_{4}\! \left(x \right)
F_{121}\! \left(x \right) = F_{122}\! \left(x \right)+F_{126}\! \left(x \right)
F_{122}\! \left(x \right) = F_{123}\! \left(x \right)+F_{30}\! \left(x \right)
F_{123}\! \left(x \right) = F_{124}\! \left(x \right)
F_{124}\! \left(x \right) = F_{125}\! \left(x \right) F_{4}\! \left(x \right)
F_{125}\! \left(x \right) = F_{30}\! \left(x \right)
F_{126}\! \left(x \right) = F_{119}\! \left(x \right)+F_{127}\! \left(x \right)
F_{127}\! \left(x \right) = 3 F_{20}\! \left(x \right)+F_{128}\! \left(x \right)+F_{132}\! \left(x \right)
F_{128}\! \left(x \right) = F_{129}\! \left(x \right) F_{4}\! \left(x \right)
F_{129}\! \left(x \right) = F_{130}\! \left(x \right)+F_{131}\! \left(x \right)
F_{130}\! \left(x \right) = F_{123}\! \left(x \right)
F_{131}\! \left(x \right) = F_{127}\! \left(x \right)
F_{132}\! \left(x \right) = F_{133}\! \left(x \right) F_{4}\! \left(x \right)
F_{133}\! \left(x \right) = F_{119}\! \left(x \right)
F_{134}\! \left(x \right) = 0
F_{135}\! \left(x \right) = F_{136}\! \left(x \right) F_{4}\! \left(x \right)
F_{136}\! \left(x \right) = F_{119}\! \left(x \right)+F_{137}\! \left(x \right)
F_{137}\! \left(x \right) = F_{138}\! \left(x \right)
F_{138}\! \left(x \right) = F_{139}\! \left(x \right) F_{4}\! \left(x \right)
F_{139}\! \left(x \right) = F_{140}\! \left(x \right)+F_{141}\! \left(x \right)
F_{140}\! \left(x \right) = F_{11}\! \left(x \right)+F_{90}\! \left(x \right)
F_{141}\! \left(x \right) = F_{137}\! \left(x \right)+F_{142}\! \left(x \right)
F_{142}\! \left(x \right) = 2 F_{20}\! \left(x \right)+F_{143}\! \left(x \right)+F_{147}\! \left(x \right)
F_{143}\! \left(x \right) = F_{144}\! \left(x \right) F_{4}\! \left(x \right)
F_{144}\! \left(x \right) = F_{145}\! \left(x \right)+F_{146}\! \left(x \right)
F_{145}\! \left(x \right) = F_{90}\! \left(x \right)
F_{146}\! \left(x \right) = F_{142}\! \left(x \right)
F_{147}\! \left(x \right) = F_{148}\! \left(x \right) F_{4}\! \left(x \right)
F_{148}\! \left(x \right) = F_{137}\! \left(x \right)
F_{149}\! \left(x \right) = F_{150}\! \left(x \right) F_{4}\! \left(x \right)
F_{150}\! \left(x \right) = F_{151}\! \left(x \right)+F_{158}\! \left(x \right)
F_{151}\! \left(x \right) = F_{152}\! \left(x \right)+F_{155}\! \left(x \right)
F_{152}\! \left(x \right) = F_{153}\! \left(x \right)
F_{153}\! \left(x \right) = F_{154}\! \left(x \right) F_{4}\! \left(x \right)
F_{154}\! \left(x \right) = F_{47}\! \left(x \right)
F_{155}\! \left(x \right) = F_{156}\! \left(x \right)
F_{156}\! \left(x \right) = F_{157}\! \left(x \right) F_{4}\! \left(x \right)
F_{157}\! \left(x \right) = F_{137}\! \left(x \right)
F_{158}\! \left(x \right) = F_{159}\! \left(x \right)+F_{164}\! \left(x \right)
F_{159}\! \left(x \right) = F_{160}\! \left(x \right)
F_{160}\! \left(x \right) = F_{161}\! \left(x \right) F_{4}\! \left(x \right)
F_{161}\! \left(x \right) = F_{162}\! \left(x \right)+F_{163}\! \left(x \right)
F_{162}\! \left(x \right) = F_{152}\! \left(x \right)
F_{163}\! \left(x \right) = F_{159}\! \left(x \right)
F_{164}\! \left(x \right) = F_{165}\! \left(x \right)
F_{165}\! \left(x \right) = F_{166}\! \left(x \right) F_{4}\! \left(x \right)
F_{166}\! \left(x \right) = F_{167}\! \left(x \right)+F_{168}\! \left(x \right)
F_{167}\! \left(x \right) = F_{155}\! \left(x \right)
F_{168}\! \left(x \right) = F_{164}\! \left(x \right)
F_{169}\! \left(x \right) = F_{170}\! \left(x \right) F_{4}\! \left(x \right)
F_{170}\! \left(x \right) = F_{171}\! \left(x \right)+F_{172}\! \left(x \right)
F_{171}\! \left(x \right) = F_{137}\! \left(x \right)+F_{47}\! \left(x \right)
F_{172}\! \left(x \right) = F_{173}\! \left(x \right)+F_{177}\! \left(x \right)
F_{173}\! \left(x \right) = F_{174}\! \left(x \right)
F_{174}\! \left(x \right) = F_{175}\! \left(x \right) F_{4}\! \left(x \right)
F_{175}\! \left(x \right) = F_{154}\! \left(x \right)+F_{176}\! \left(x \right)
F_{176}\! \left(x \right) = F_{173}\! \left(x \right)
F_{177}\! \left(x \right) = F_{178}\! \left(x \right)
F_{178}\! \left(x \right) = F_{179}\! \left(x \right) F_{4}\! \left(x \right)
F_{179}\! \left(x \right) = F_{180}\! \left(x \right)+F_{181}\! \left(x \right)
F_{180}\! \left(x \right) = F_{137}\! \left(x \right)
F_{181}\! \left(x \right) = F_{177}\! \left(x \right)
System of equations in sympy syntax:
Eq(F_0(x), F_1(x) + F_2(x))
Eq(F_1(x), 1)
Eq(F_2(x), F_3(x))
Eq(F_3(x), F_4(x)*F_5(x))
Eq(F_4(x), x)
Eq(F_5(x), F_46(x) + F_6(x))
Eq(F_6(x), F_1(x) + F_7(x))
Eq(F_7(x), F_8(x))
Eq(F_8(x), F_4(x)*F_9(x))
Eq(F_9(x), F_10(x) + F_13(x))
Eq(F_10(x), F_1(x) + F_11(x))
Eq(F_11(x), F_12(x))
Eq(F_12(x), F_10(x)*F_4(x))
Eq(F_13(x), F_14(x) + F_26(x))
Eq(F_14(x), F_15(x))
Eq(F_15(x), F_16(x)*F_4(x))
Eq(F_16(x), F_17(x) + F_18(x))
Eq(F_17(x), F_1(x) + F_4(x))
Eq(F_18(x), F_14(x) + F_19(x))
Eq(F_19(x), F_20(x) + F_21(x) + F_25(x))
Eq(F_20(x), 0)
Eq(F_21(x), F_22(x)*F_4(x))
Eq(F_22(x), F_23(x) + F_24(x))
Eq(F_23(x), F_4(x))
Eq(F_24(x), F_19(x))
Eq(F_25(x), F_14(x)*F_4(x))
Eq(F_26(x), F_20(x) + F_27(x) + F_43(x))
Eq(F_27(x), F_28(x)*F_4(x))
Eq(F_28(x), F_29(x) + F_33(x))
Eq(F_29(x), F_11(x) + F_30(x))
Eq(F_30(x), F_31(x))
Eq(F_31(x), F_32(x)*F_4(x))
Eq(F_32(x), F_30(x) + F_4(x))
Eq(F_33(x), F_26(x) + F_34(x))
Eq(F_34(x), 2*F_20(x) + F_35(x) + F_39(x))
Eq(F_35(x), F_36(x)*F_4(x))
Eq(F_36(x), F_37(x) + F_38(x))
Eq(F_37(x), F_30(x))
Eq(F_38(x), F_34(x))
Eq(F_39(x), F_4(x)*F_40(x))
Eq(F_40(x), F_41(x) + F_42(x))
Eq(F_41(x), F_25(x))
Eq(F_42(x), F_39(x))
Eq(F_43(x), F_4(x)*F_44(x))
Eq(F_44(x), F_14(x) + F_45(x))
Eq(F_45(x), F_43(x))
Eq(F_46(x), F_47(x) + F_81(x))
Eq(F_47(x), F_48(x))
Eq(F_48(x), F_4(x)*F_49(x))
Eq(F_49(x), F_50(x) + F_53(x))
Eq(F_50(x), F_1(x) + F_51(x))
Eq(F_51(x), F_52(x))
Eq(F_52(x), F_17(x)*F_4(x))
Eq(F_53(x), F_47(x) + F_54(x))
Eq(F_54(x), F_20(x) + F_55(x) + F_79(x))
Eq(F_55(x), F_4(x)*F_56(x))
Eq(F_56(x), F_57(x) + F_60(x))
Eq(F_57(x), F_51(x) + F_58(x))
Eq(F_58(x), F_59(x))
Eq(F_59(x), F_23(x)*F_4(x))
Eq(F_60(x), F_54(x) + F_61(x))
Eq(F_61(x), 2*F_20(x) + F_62(x) + F_66(x))
Eq(F_62(x), F_4(x)*F_63(x))
Eq(F_63(x), F_64(x) + F_65(x))
Eq(F_64(x), F_58(x))
Eq(F_65(x), F_61(x))
Eq(F_66(x), F_4(x)*F_67(x))
Eq(F_67(x), F_68(x))
Eq(F_68(x), F_69(x))
Eq(F_69(x), F_4(x)*F_70(x))
Eq(F_70(x), F_71(x) + F_73(x))
Eq(F_71(x), F_4(x) + F_72(x))
Eq(F_72(x), F_59(x))
Eq(F_73(x), F_68(x) + F_74(x))
Eq(F_74(x), 2*F_20(x) + F_66(x) + F_75(x))
Eq(F_75(x), F_4(x)*F_76(x))
Eq(F_76(x), F_77(x) + F_78(x))
Eq(F_77(x), F_72(x))
Eq(F_78(x), F_74(x))
Eq(F_79(x), F_4(x)*F_80(x))
Eq(F_80(x), F_47(x) + F_68(x))
Eq(F_81(x), F_169(x) + F_20(x) + F_82(x))
Eq(F_82(x), F_4(x)*F_83(x))
Eq(F_83(x), F_104(x) + F_84(x))
Eq(F_84(x), F_7(x) + F_85(x))
Eq(F_85(x), F_20(x) + F_86(x) + F_87(x))
Eq(F_86(x), F_29(x)*F_4(x))
Eq(F_87(x), F_4(x)*F_88(x))
Eq(F_88(x), F_89(x) + F_93(x))
Eq(F_89(x), F_51(x) + F_90(x))
Eq(F_90(x), F_91(x))
Eq(F_91(x), F_4(x)*F_92(x))
Eq(F_92(x), F_11(x))
Eq(F_93(x), F_94(x) + F_99(x))
Eq(F_94(x), F_95(x))
Eq(F_95(x), F_4(x)*F_96(x))
Eq(F_96(x), F_97(x) + F_98(x))
Eq(F_97(x), F_51(x))
Eq(F_98(x), F_94(x))
Eq(F_99(x), F_100(x))
Eq(F_100(x), F_101(x)*F_4(x))
Eq(F_101(x), F_102(x) + F_103(x))
Eq(F_102(x), F_90(x))
Eq(F_103(x), F_99(x))
Eq(F_104(x), F_105(x) + F_81(x))
Eq(F_105(x), F_106(x) + F_135(x) + F_149(x) + F_20(x))
Eq(F_106(x), F_107(x)*F_4(x))
Eq(F_107(x), F_108(x) + F_111(x))
Eq(F_108(x), F_109(x) + F_85(x))
Eq(F_109(x), F_110(x))
Eq(F_110(x), F_37(x)*F_4(x))
Eq(F_111(x), F_105(x) + F_112(x))
Eq(F_112(x), F_113(x) + F_117(x) + F_134(x) + 2*F_20(x))
Eq(F_113(x), F_114(x)*F_4(x))
Eq(F_114(x), F_115(x) + F_116(x))
Eq(F_115(x), F_109(x))
Eq(F_116(x), F_112(x))
Eq(F_117(x), F_118(x)*F_4(x))
Eq(F_118(x), F_119(x))
Eq(F_119(x), F_120(x))
Eq(F_120(x), F_121(x)*F_4(x))
Eq(F_121(x), F_122(x) + F_126(x))
Eq(F_122(x), F_123(x) + F_30(x))
Eq(F_123(x), F_124(x))
Eq(F_124(x), F_125(x)*F_4(x))
Eq(F_125(x), F_30(x))
Eq(F_126(x), F_119(x) + F_127(x))
Eq(F_127(x), F_128(x) + F_132(x) + 3*F_20(x))
Eq(F_128(x), F_129(x)*F_4(x))
Eq(F_129(x), F_130(x) + F_131(x))
Eq(F_130(x), F_123(x))
Eq(F_131(x), F_127(x))
Eq(F_132(x), F_133(x)*F_4(x))
Eq(F_133(x), F_119(x))
Eq(F_134(x), 0)
Eq(F_135(x), F_136(x)*F_4(x))
Eq(F_136(x), F_119(x) + F_137(x))
Eq(F_137(x), F_138(x))
Eq(F_138(x), F_139(x)*F_4(x))
Eq(F_139(x), F_140(x) + F_141(x))
Eq(F_140(x), F_11(x) + F_90(x))
Eq(F_141(x), F_137(x) + F_142(x))
Eq(F_142(x), F_143(x) + F_147(x) + 2*F_20(x))
Eq(F_143(x), F_144(x)*F_4(x))
Eq(F_144(x), F_145(x) + F_146(x))
Eq(F_145(x), F_90(x))
Eq(F_146(x), F_142(x))
Eq(F_147(x), F_148(x)*F_4(x))
Eq(F_148(x), F_137(x))
Eq(F_149(x), F_150(x)*F_4(x))
Eq(F_150(x), F_151(x) + F_158(x))
Eq(F_151(x), F_152(x) + F_155(x))
Eq(F_152(x), F_153(x))
Eq(F_153(x), F_154(x)*F_4(x))
Eq(F_154(x), F_47(x))
Eq(F_155(x), F_156(x))
Eq(F_156(x), F_157(x)*F_4(x))
Eq(F_157(x), F_137(x))
Eq(F_158(x), F_159(x) + F_164(x))
Eq(F_159(x), F_160(x))
Eq(F_160(x), F_161(x)*F_4(x))
Eq(F_161(x), F_162(x) + F_163(x))
Eq(F_162(x), F_152(x))
Eq(F_163(x), F_159(x))
Eq(F_164(x), F_165(x))
Eq(F_165(x), F_166(x)*F_4(x))
Eq(F_166(x), F_167(x) + F_168(x))
Eq(F_167(x), F_155(x))
Eq(F_168(x), F_164(x))
Eq(F_169(x), F_170(x)*F_4(x))
Eq(F_170(x), F_171(x) + F_172(x))
Eq(F_171(x), F_137(x) + F_47(x))
Eq(F_172(x), F_173(x) + F_177(x))
Eq(F_173(x), F_174(x))
Eq(F_174(x), F_175(x)*F_4(x))
Eq(F_175(x), F_154(x) + F_176(x))
Eq(F_176(x), F_173(x))
Eq(F_177(x), F_178(x))
Eq(F_178(x), F_179(x)*F_4(x))
Eq(F_179(x), F_180(x) + F_181(x))
Eq(F_180(x), F_137(x))
Eq(F_181(x), F_177(x))
Pack JSON:
{"expansion_strats": [[{"class_module": "tilings.strategies.requirement_insertion", "extra_basis": [], "ignore_parent": false, "maxreqlen": 1, "one_cell_only": false, "strategy_class": "CellInsertionFactory"}, {"class_module": "tilings.strategies.requirement_placement", "dirs": [0, 1, 2, 3], "ignore_parent": false, "partial": false, "point_only": false, "strategy_class": "PatternPlacementFactory"}]], "inferral_strats": [{"class_module": "tilings.strategies.row_and_col_separation", "ignore_parent": true, "inferrable": true, "possibly_empty": false, "strategy_class": "RowColumnSeparationStrategy", "workable": true}, {"class_module": "tilings.strategies.obstruction_inferral", "strategy_class": "ObstructionTransitivityFactory"}], "initial_strats": [{"class_module": "tilings.strategies.factor", "ignore_parent": true, "interleaving": null, "strategy_class": "FactorFactory", "tracked": false, "unions": false, "workable": true}], "iterative": false, "name": "point_placements", "symmetries": [], "ver_strats": [{"class_module": "tilings.strategies.verification", "strategy_class": "BasicVerificationStrategy"}, {"class_module": "tilings.strategies.verification", "ignore_parent": false, "strategy_class": "InsertionEncodingVerificationStrategy"}, {"basis": [], "class_module": "tilings.strategies.verification", "ignore_parent": false, "strategy_class": "OneByOneVerificationStrategy", "symmetry": false}, {"basis": [], "class_module": "tilings.strategies.verification", "ignore_parent": false, "strategy_class": "LocallyFactorableVerificationStrategy", "symmetry": false}]}
Specification JSON:
{"root": {"assumptions": [], "class_module": "tilings.tiling", "comb_class": "Tiling", "obstructions": [{"patt": [0, 1, 2, 3], "pos": [[0, 0], [0, 0], [0, 0], [0, 0]]}, {"patt": [1, 2, 3, 0], "pos": [[0, 0], [0, 0], [0, 0], [0, 0]]}, {"patt": [1, 3, 0, 2], "pos": [[0, 0], [0, 0], [0, 0], [0, 0]]}, {"patt": [3, 0, 2, 1], "pos": [[0, 0], [0, 0], [0, 0], [0, 0]]}], "requirements": []}, "rules": [{"children": [{"assumptions": [], "class_module": "tilings.tiling", "comb_class": "Tiling", "obstructions": [{"patt": [0], "pos": [[0, 0]]}], "requirements": []}, {"assumptions": [], "class_module": "tilings.tiling", "comb_class": "Tiling", "obstructions": [{"patt": [0, 1, 2, 3], "pos": [[0, 0], [0, 0], [0, 0], [0, 0]]}, {"patt": [1, 2, 3, 0], "pos": [[0, 0], [0, 0], [0, 0], [0, 0]]}, {"patt": [1, 3, 0, 2], "pos": [[0, 0], [0, 0], [0, 0], [0, 0]]}, {"patt": [3, 0, 2, 1], "pos": [[0, 0], [0, 0], [0, 0], [0, 0]]}], "requirements": [[{"patt": [0], "pos": [[0, 0]]}]]}], "class_module": 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