Av(1234, 1432, 2341, 2431, 3241)
View Raw Data
Generating Function
\(\displaystyle \frac{\left(x +1\right) \left(2 x^{7}+3 x^{6}-3 x^{5}-4 x^{4}-x^{3}-3 x^{2}+3 x -1\right)}{\left(x -1\right) \left(x^{2}+x -1\right)^{2}}\)
Counting Sequence
1, 1, 2, 6, 19, 54, 128, 276, 561, 1096, 2081, 3868, 7072, 12762, 22787, ...
Implicit Equation for the Generating Function
\(\displaystyle -\left(x -1\right) \left(x^{2}+x -1\right)^{2} F \! \left(x \right)+\left(x +1\right) \left(2 x^{7}+3 x^{6}-3 x^{5}-4 x^{4}-x^{3}-3 x^{2}+3 x -1\right) = 0\)
Recurrence
\(\displaystyle a \! \left(0\right) = 1\)
\(\displaystyle a \! \left(1\right) = 1\)
\(\displaystyle a \! \left(2\right) = 2\)
\(\displaystyle a \! \left(3\right) = 6\)
\(\displaystyle a \! \left(4\right) = 19\)
\(\displaystyle a \! \left(5\right) = 54\)
\(\displaystyle a \! \left(6\right) = 128\)
\(\displaystyle a \! \left(7\right) = 276\)
\(\displaystyle a \! \left(8\right) = 561\)
\(\displaystyle a \! \left(n +4\right) = -a \! \left(n \right)-2 a \! \left(n +1\right)+a \! \left(n +2\right)+2 a \! \left(n +3\right)+8, \quad n \geq 9\)
Explicit Closed Form
\(\displaystyle \left\{\begin{array}{cc}1 & n =0\text{ or } n =1 \\ 2 & n =2 \\ 6 & n =3 \\ \frac{\left(\left(-15 n +51\right) \sqrt{5}+30 n -100\right) \left(-\frac{\sqrt{5}}{2}-\frac{1}{2}\right)^{-n}}{25}+8+\\\frac{\left(\left(15 n -51\right) \sqrt{5}+30 n -100\right) \left(\frac{\sqrt{5}}{2}-\frac{1}{2}\right)^{-n}}{25} & \text{otherwise} \end{array}\right.\)

This specification was found using the strategy pack "Point Placements" and has 375 rules.

Found on January 18, 2022.

Finding the specification took 22 seconds.

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\(\begin{align*} 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_{29}\! \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_{14}\! \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_{13}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{13}\! \left(x \right) &= F_{1}\! \left(x \right)+F_{4}\! \left(x \right)\\ F_{14}\! \left(x \right) &= F_{15}\! \left(x \right)+F_{17}\! \left(x \right)\\ F_{15}\! \left(x \right) &= F_{16}\! \left(x \right)\\ F_{16}\! \left(x \right) &= F_{13}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{17}\! \left(x \right) &= F_{18}\! \left(x \right)+F_{19}\! \left(x \right)+F_{24}\! \left(x \right)\\ F_{18}\! \left(x \right) &= 0\\ F_{19}\! \left(x \right) &= F_{20}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{20}\! \left(x \right) &= F_{11}\! \left(x \right)+F_{21}\! \left(x \right)\\ F_{21}\! \left(x \right) &= F_{22}\! \left(x \right)\\ F_{22}\! \left(x \right) &= F_{23}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{23}\! \left(x \right) &= F_{4}\! \left(x \right)\\ F_{24}\! \left(x \right) &= F_{25}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{25}\! \left(x \right) &= F_{15}\! \left(x \right)+F_{26}\! \left(x \right)\\ F_{26}\! \left(x \right) &= F_{27}\! \left(x \right)\\ F_{27}\! \left(x \right) &= F_{28}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{28}\! \left(x \right) &= F_{4}\! \left(x \right)\\ F_{29}\! \left(x \right) &= F_{2}\! \left(x \right)+F_{30}\! \left(x \right)\\ F_{30}\! \left(x \right) &= F_{18}\! \left(x \right)+F_{239}\! \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_{33}\! \left(x \right)+F_{54}\! \left(x \right)\\ F_{33}\! \left(x \right) &= F_{34}\! \left(x \right)+F_{7}\! \left(x \right)\\ F_{34}\! \left(x \right) &= F_{18}\! \left(x \right)+F_{35}\! \left(x \right)+F_{46}\! \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_{39}\! \left(x \right)\\ F_{37}\! \left(x \right) &= F_{11}\! \left(x \right)+F_{38}\! \left(x \right)\\ F_{38}\! \left(x \right) &= F_{22}\! \left(x \right)\\ F_{39}\! \left(x \right) &= F_{40}\! \left(x \right)+F_{43}\! \left(x \right)\\ F_{40}\! \left(x \right) &= F_{41}\! \left(x \right)\\ F_{41}\! \left(x \right) &= F_{4}\! \left(x \right) F_{42}\! \left(x \right)\\ F_{42}\! \left(x \right) &= F_{11}\! \left(x \right)\\ F_{43}\! \left(x \right) &= F_{44}\! \left(x \right)\\ F_{44}\! \left(x \right) &= F_{4}\! \left(x \right) F_{45}\! \left(x \right)\\ F_{45}\! \left(x \right) &= F_{38}\! \left(x \right)\\ F_{46}\! \left(x \right) &= F_{4}\! \left(x \right) F_{47}\! \left(x \right)\\ F_{47}\! \left(x \right) &= F_{48}\! \left(x \right)+F_{49}\! \left(x \right)\\ F_{48}\! \left(x \right) &= F_{15}\! \left(x \right)+F_{40}\! \left(x \right)\\ F_{49}\! \left(x \right) &= F_{50}\! \left(x \right)+F_{51}\! \left(x \right)\\ F_{50}\! \left(x \right) &= F_{27}\! \left(x \right)\\ F_{51}\! \left(x \right) &= F_{52}\! \left(x \right)\\ F_{52}\! \left(x \right) &= F_{4}\! \left(x \right) F_{53}\! \left(x \right)\\ F_{53}\! \left(x \right) &= F_{21}\! \left(x \right)\\ F_{54}\! \left(x \right) &= F_{122}\! \left(x \right)+F_{55}\! \left(x \right)\\ F_{55}\! \left(x \right) &= F_{56}\! \left(x \right)\\ F_{56}\! \left(x \right) &= F_{4}\! \left(x \right) F_{57}\! \left(x \right)\\ F_{57}\! \left(x \right) &= F_{58}\! \left(x \right)+F_{64}\! \left(x \right)\\ F_{58}\! \left(x \right) &= F_{59}\! \left(x \right)+F_{7}\! \left(x \right)\\ F_{59}\! \left(x \right) &= F_{60}\! \left(x \right)\\ F_{60}\! \left(x \right) &= F_{4}\! \left(x \right) F_{61}\! \left(x \right)\\ F_{61}\! \left(x \right) &= F_{62}\! \left(x \right)+F_{63}\! \left(x \right)\\ F_{62}\! \left(x \right) &= F_{11}\! \left(x \right)\\ F_{63}\! \left(x \right) &= F_{40}\! \left(x \right)\\ F_{64}\! \left(x \right) &= F_{55}\! \left(x \right)+F_{65}\! \left(x \right)\\ F_{65}\! \left(x \right) &= 2 F_{18}\! \left(x \right)+F_{66}\! \left(x \right)+F_{87}\! \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_{72}\! \left(x \right)\\ F_{68}\! \left(x \right) &= F_{59}\! \left(x \right)+F_{69}\! \left(x \right)\\ F_{69}\! \left(x \right) &= F_{70}\! \left(x \right)\\ F_{70}\! \left(x \right) &= F_{4}\! \left(x \right) F_{71}\! \left(x \right)\\ F_{71}\! \left(x \right) &= F_{40}\! \left(x \right)\\ F_{72}\! \left(x \right) &= F_{73}\! \left(x \right)+F_{78}\! \left(x \right)\\ F_{73}\! \left(x \right) &= F_{74}\! \left(x \right)\\ F_{74}\! \left(x \right) &= F_{4}\! \left(x \right) F_{75}\! \left(x \right)\\ F_{75}\! \left(x \right) &= F_{76}\! \left(x \right)+F_{77}\! \left(x \right)\\ F_{76}\! \left(x \right) &= F_{59}\! \left(x \right)\\ F_{77}\! \left(x \right) &= F_{73}\! \left(x \right)\\ F_{78}\! \left(x \right) &= F_{79}\! \left(x \right)\\ F_{79}\! \left(x \right) &= F_{4}\! \left(x \right) F_{80}\! \left(x \right)\\ F_{80}\! \left(x \right) &= F_{81}\! \left(x \right)+F_{82}\! \left(x \right)\\ F_{81}\! \left(x \right) &= F_{69}\! \left(x \right)\\ F_{82}\! \left(x \right) &= F_{83}\! \left(x \right)\\ F_{83}\! \left(x \right) &= F_{4}\! \left(x \right) F_{84}\! \left(x \right)\\ F_{84}\! \left(x \right) &= F_{85}\! \left(x \right)+F_{86}\! \left(x \right)\\ F_{85}\! \left(x \right) &= F_{69}\! \left(x \right)\\ F_{86}\! \left(x \right) &= F_{83}\! \left(x \right)\\ F_{87}\! \left(x \right) &= F_{4}\! \left(x \right) F_{88}\! \left(x \right)\\ F_{88}\! \left(x \right) &= F_{116}\! \left(x \right)+F_{89}\! \left(x \right)\\ F_{89}\! \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_{93}\! \left(x \right)+F_{95}\! \left(x \right)\\ F_{93}\! \left(x \right) &= F_{11}\! \left(x \right)+F_{94}\! \left(x \right)\\ F_{94}\! \left(x \right) &= F_{60}\! \left(x \right)\\ F_{95}\! \left(x \right) &= F_{90}\! \left(x \right)+F_{96}\! \left(x \right)\\ F_{96}\! \left(x \right) &= 2 F_{18}\! \left(x \right)+F_{87}\! \left(x \right)+F_{97}\! \left(x \right)\\ F_{97}\! \left(x \right) &= F_{4}\! \left(x \right) F_{98}\! \left(x \right)\\ F_{98}\! \left(x \right) &= F_{101}\! \left(x \right)+F_{99}\! \left(x \right)\\ F_{99}\! \left(x \right) &= F_{100}\! \left(x \right)+F_{94}\! \left(x \right)\\ F_{100}\! \left(x \right) &= F_{70}\! \left(x \right)\\ F_{101}\! \left(x \right) &= F_{102}\! \left(x \right)+F_{107}\! \left(x \right)\\ F_{102}\! \left(x \right) &= F_{103}\! \left(x \right)\\ F_{103}\! \left(x \right) &= F_{104}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{104}\! \left(x \right) &= F_{105}\! \left(x \right)+F_{106}\! \left(x \right)\\ F_{105}\! \left(x \right) &= F_{94}\! \left(x \right)\\ F_{106}\! \left(x \right) &= F_{102}\! \left(x \right)\\ F_{107}\! \left(x \right) &= F_{108}\! \left(x \right)\\ F_{108}\! \left(x \right) &= F_{109}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{109}\! \left(x \right) &= F_{110}\! \left(x \right)+F_{111}\! \left(x \right)\\ F_{110}\! \left(x \right) &= F_{100}\! \left(x \right)\\ F_{111}\! \left(x \right) &= F_{112}\! \left(x \right)\\ F_{112}\! \left(x \right) &= F_{113}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{113}\! \left(x \right) &= F_{114}\! \left(x \right)+F_{115}\! \left(x \right)\\ F_{114}\! \left(x \right) &= F_{100}\! \left(x \right)\\ F_{115}\! \left(x \right) &= F_{112}\! \left(x \right)\\ F_{116}\! \left(x \right) &= F_{117}\! \left(x \right)\\ F_{117}\! \left(x \right) &= F_{118}\! \left(x \right)\\ F_{118}\! \left(x \right) &= F_{119}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{119}\! \left(x \right) &= F_{120}\! \left(x \right)+F_{121}\! \left(x \right)\\ F_{120}\! \left(x \right) &= F_{40}\! \left(x \right)\\ F_{121}\! \left(x \right) &= F_{117}\! \left(x \right)\\ F_{122}\! \left(x \right) &= 2 F_{18}\! \left(x \right)+F_{123}\! \left(x \right)+F_{230}\! \left(x \right)\\ F_{123}\! \left(x \right) &= F_{124}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{124}\! \left(x \right) &= F_{125}\! \left(x \right)+F_{137}\! \left(x \right)\\ F_{125}\! \left(x \right) &= F_{126}\! \left(x \right)+F_{34}\! \left(x \right)\\ F_{126}\! \left(x \right) &= 2 F_{18}\! \left(x \right)+F_{127}\! \left(x \right)+F_{134}\! \left(x \right)\\ F_{127}\! \left(x \right) &= F_{128}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{128}\! \left(x \right) &= F_{129}\! \left(x \right)+F_{130}\! \left(x \right)\\ F_{129}\! \left(x \right) &= F_{38}\! \left(x \right)\\ F_{130}\! \left(x \right) &= F_{131}\! \left(x \right)\\ F_{131}\! \left(x \right) &= F_{132}\! \left(x \right)\\ F_{132}\! \left(x \right) &= F_{133}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{133}\! \left(x \right) &= F_{38}\! \left(x \right)\\ F_{134}\! \left(x \right) &= F_{135}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{135}\! \left(x \right) &= F_{136}\! \left(x \right)\\ F_{136}\! \left(x \right) &= F_{131}\! \left(x \right)+F_{40}\! \left(x \right)\\ F_{137}\! \left(x \right) &= F_{138}\! \left(x \right)+F_{204}\! \left(x \right)\\ F_{138}\! \left(x \right) &= F_{139}\! \left(x \right)\\ F_{139}\! \left(x \right) &= F_{140}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{140}\! \left(x \right) &= F_{141}\! \left(x \right)+F_{147}\! \left(x \right)\\ F_{141}\! \left(x \right) &= F_{142}\! \left(x \right)+F_{34}\! \left(x \right)\\ F_{142}\! \left(x \right) &= F_{143}\! \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_{38}\! \left(x \right)\\ F_{146}\! \left(x \right) &= F_{131}\! \left(x \right)\\ F_{147}\! \left(x \right) &= F_{138}\! \left(x \right)+F_{148}\! \left(x \right)\\ F_{148}\! \left(x \right) &= 3 F_{18}\! \left(x \right)+F_{149}\! \left(x \right)+F_{170}\! \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_{155}\! \left(x \right)\\ F_{151}\! \left(x \right) &= F_{142}\! \left(x \right)+F_{152}\! \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_{131}\! \left(x \right)\\ F_{155}\! \left(x \right) &= F_{156}\! \left(x \right)+F_{161}\! \left(x \right)\\ F_{156}\! \left(x \right) &= F_{157}\! \left(x \right)\\ F_{157}\! \left(x \right) &= F_{158}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{158}\! \left(x \right) &= F_{159}\! \left(x \right)+F_{160}\! \left(x \right)\\ F_{159}\! \left(x \right) &= F_{142}\! \left(x \right)\\ F_{160}\! \left(x \right) &= F_{156}\! \left(x \right)\\ F_{161}\! \left(x \right) &= F_{162}\! \left(x \right)\\ F_{162}\! \left(x \right) &= F_{163}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{163}\! \left(x \right) &= F_{164}\! \left(x \right)+F_{165}\! \left(x \right)\\ F_{164}\! \left(x \right) &= F_{152}\! \left(x \right)\\ F_{165}\! \left(x \right) &= F_{166}\! \left(x \right)\\ F_{166}\! \left(x \right) &= F_{167}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{167}\! \left(x \right) &= F_{168}\! \left(x \right)+F_{169}\! \left(x \right)\\ F_{168}\! \left(x \right) &= F_{152}\! \left(x \right)\\ F_{169}\! \left(x \right) &= F_{166}\! \left(x \right)\\ F_{170}\! \left(x \right) &= F_{171}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{171}\! \left(x \right) &= F_{172}\! \left(x \right)+F_{199}\! \left(x \right)\\ F_{172}\! \left(x \right) &= F_{173}\! \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_{176}\! \left(x \right)+F_{178}\! \left(x \right)\\ F_{176}\! \left(x \right) &= F_{177}\! \left(x \right)+F_{38}\! \left(x \right)\\ F_{177}\! \left(x \right) &= F_{143}\! \left(x \right)\\ F_{178}\! \left(x \right) &= F_{173}\! \left(x \right)+F_{179}\! \left(x \right)\\ F_{179}\! \left(x \right) &= 3 F_{18}\! \left(x \right)+F_{170}\! \left(x \right)+F_{180}\! \left(x \right)\\ F_{180}\! \left(x \right) &= F_{181}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{181}\! \left(x \right) &= F_{182}\! \left(x \right)+F_{184}\! \left(x \right)\\ F_{182}\! \left(x \right) &= F_{177}\! \left(x \right)+F_{183}\! \left(x \right)\\ F_{183}\! \left(x \right) &= F_{153}\! \left(x \right)\\ F_{184}\! \left(x \right) &= F_{185}\! \left(x \right)+F_{190}\! \left(x \right)\\ F_{185}\! \left(x \right) &= F_{186}\! \left(x \right)\\ F_{186}\! \left(x \right) &= F_{187}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{187}\! \left(x \right) &= F_{188}\! \left(x \right)+F_{189}\! \left(x \right)\\ F_{188}\! \left(x \right) &= F_{177}\! \left(x \right)\\ F_{189}\! \left(x \right) &= F_{185}\! \left(x \right)\\ F_{190}\! \left(x \right) &= F_{191}\! \left(x \right)\\ F_{191}\! \left(x \right) &= F_{192}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{192}\! \left(x \right) &= F_{193}\! \left(x \right)+F_{194}\! \left(x \right)\\ F_{193}\! \left(x \right) &= F_{183}\! \left(x \right)\\ F_{194}\! \left(x \right) &= F_{195}\! \left(x \right)\\ F_{195}\! \left(x \right) &= F_{196}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{196}\! \left(x \right) &= F_{197}\! \left(x \right)+F_{198}\! \left(x \right)\\ F_{197}\! \left(x \right) &= F_{183}\! \left(x \right)\\ F_{198}\! \left(x \right) &= F_{195}\! \left(x \right)\\ F_{199}\! \left(x \right) &= F_{200}\! \left(x \right)\\ F_{200}\! \left(x \right) &= F_{201}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{201}\! \left(x \right) &= F_{202}\! \left(x \right)+F_{203}\! \left(x \right)\\ F_{202}\! \left(x \right) &= F_{131}\! \left(x \right)\\ F_{203}\! \left(x \right) &= F_{200}\! \left(x \right)\\ F_{204}\! \left(x \right) &= 3 F_{18}\! \left(x \right)+F_{205}\! \left(x \right)+F_{226}\! \left(x \right)\\ F_{205}\! \left(x \right) &= F_{206}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{206}\! \left(x \right) &= F_{207}\! \left(x \right)+F_{211}\! \left(x \right)\\ F_{207}\! \left(x \right) &= F_{126}\! \left(x \right)+F_{208}\! \left(x \right)\\ F_{208}\! \left(x \right) &= F_{209}\! \left(x \right)\\ F_{209}\! \left(x \right) &= F_{210}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{210}\! \left(x \right) &= F_{131}\! \left(x \right)\\ F_{211}\! \left(x \right) &= F_{212}\! \left(x \right)+F_{217}\! \left(x \right)\\ F_{212}\! \left(x \right) &= F_{213}\! \left(x \right)\\ F_{213}\! \left(x \right) &= F_{214}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{214}\! \left(x \right) &= F_{215}\! \left(x \right)+F_{216}\! \left(x \right)\\ F_{215}\! \left(x \right) &= F_{126}\! \left(x \right)\\ F_{216}\! \left(x \right) &= F_{212}\! \left(x \right)\\ F_{217}\! \left(x \right) &= F_{218}\! \left(x \right)\\ F_{218}\! \left(x \right) &= F_{219}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{219}\! \left(x \right) &= F_{220}\! \left(x \right)+F_{221}\! \left(x \right)\\ F_{220}\! \left(x \right) &= F_{208}\! \left(x \right)\\ F_{221}\! \left(x \right) &= F_{222}\! \left(x \right)\\ F_{222}\! \left(x \right) &= F_{223}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{223}\! \left(x \right) &= F_{224}\! \left(x \right)+F_{225}\! \left(x \right)\\ F_{224}\! \left(x \right) &= F_{208}\! \left(x \right)\\ F_{225}\! \left(x \right) &= F_{222}\! \left(x \right)\\ F_{226}\! \left(x \right) &= F_{227}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{227}\! \left(x \right) &= F_{228}\! \left(x \right)+F_{229}\! \left(x \right)\\ F_{228}\! \left(x \right) &= F_{173}\! \left(x \right)\\ F_{229}\! \left(x \right) &= F_{200}\! \left(x \right)\\ F_{230}\! \left(x \right) &= F_{231}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{231}\! \left(x \right) &= F_{232}\! \left(x \right)+F_{233}\! \left(x \right)\\ F_{232}\! \left(x \right) &= F_{173}\! \left(x \right)+F_{90}\! \left(x \right)\\ F_{233}\! \left(x \right) &= F_{117}\! \left(x \right)+F_{234}\! \left(x \right)\\ F_{234}\! \left(x \right) &= F_{235}\! \left(x \right)\\ F_{235}\! \left(x \right) &= F_{236}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{236}\! \left(x \right) &= F_{237}\! \left(x \right)+F_{238}\! \left(x \right)\\ F_{237}\! \left(x \right) &= F_{43}\! \left(x \right)\\ F_{238}\! \left(x \right) &= F_{234}\! \left(x \right)\\ F_{239}\! \left(x \right) &= F_{240}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{240}\! \left(x \right) &= F_{241}\! \left(x \right)+F_{242}\! \left(x \right)\\ F_{241}\! \left(x \right) &= F_{2}\! \left(x \right)+F_{90}\! \left(x \right)\\ F_{242}\! \left(x \right) &= F_{243}\! \left(x \right)+F_{309}\! \left(x \right)\\ F_{243}\! \left(x \right) &= F_{244}\! \left(x \right)\\ F_{244}\! \left(x \right) &= F_{245}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{245}\! \left(x \right) &= F_{246}\! \left(x \right)+F_{252}\! \left(x \right)\\ F_{246}\! \left(x \right) &= F_{15}\! \left(x \right)+F_{247}\! \left(x \right)\\ F_{247}\! \left(x \right) &= F_{248}\! \left(x \right)\\ F_{248}\! \left(x \right) &= F_{249}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{249}\! \left(x \right) &= F_{250}\! \left(x \right)+F_{251}\! \left(x \right)\\ F_{250}\! \left(x \right) &= F_{4}\! \left(x \right)\\ F_{251}\! \left(x \right) &= F_{26}\! \left(x \right)\\ F_{252}\! \left(x \right) &= F_{243}\! \left(x \right)+F_{253}\! \left(x \right)\\ F_{253}\! \left(x \right) &= 2 F_{18}\! \left(x \right)+F_{254}\! \left(x \right)+F_{275}\! \left(x \right)\\ F_{254}\! \left(x \right) &= F_{255}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{255}\! \left(x \right) &= F_{256}\! \left(x \right)+F_{260}\! \left(x \right)\\ F_{256}\! \left(x \right) &= F_{247}\! \left(x \right)+F_{257}\! \left(x \right)\\ F_{257}\! \left(x \right) &= F_{258}\! \left(x \right)\\ F_{258}\! \left(x \right) &= F_{259}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{259}\! \left(x \right) &= F_{26}\! \left(x \right)\\ F_{260}\! \left(x \right) &= F_{261}\! \left(x \right)+F_{266}\! \left(x \right)\\ F_{261}\! \left(x \right) &= F_{262}\! \left(x \right)\\ F_{262}\! \left(x \right) &= F_{263}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{263}\! \left(x \right) &= F_{264}\! \left(x \right)+F_{265}\! \left(x \right)\\ F_{264}\! \left(x \right) &= F_{247}\! \left(x \right)\\ F_{265}\! \left(x \right) &= F_{261}\! \left(x \right)\\ F_{266}\! \left(x \right) &= F_{267}\! \left(x \right)\\ F_{267}\! \left(x \right) &= F_{268}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{268}\! \left(x \right) &= F_{269}\! \left(x \right)+F_{270}\! \left(x \right)\\ F_{269}\! \left(x \right) &= F_{257}\! \left(x \right)\\ F_{270}\! \left(x \right) &= F_{271}\! \left(x \right)\\ F_{271}\! \left(x \right) &= F_{272}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{272}\! \left(x \right) &= F_{273}\! \left(x \right)+F_{274}\! \left(x \right)\\ F_{273}\! \left(x \right) &= F_{257}\! \left(x \right)\\ F_{274}\! \left(x \right) &= F_{271}\! \left(x \right)\\ F_{275}\! \left(x \right) &= F_{276}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{276}\! \left(x \right) &= F_{277}\! \left(x \right)+F_{304}\! \left(x \right)\\ F_{277}\! \left(x \right) &= F_{278}\! \left(x \right)\\ F_{278}\! \left(x \right) &= F_{279}\! \left(x \right)\\ F_{279}\! \left(x \right) &= F_{280}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{280}\! \left(x \right) &= F_{281}\! \left(x \right)+F_{283}\! \left(x \right)\\ F_{281}\! \left(x \right) &= F_{282}\! \left(x \right)+F_{4}\! \left(x \right)\\ F_{282}\! \left(x \right) &= F_{248}\! \left(x \right)\\ F_{283}\! \left(x \right) &= F_{278}\! \left(x \right)+F_{284}\! \left(x \right)\\ F_{284}\! \left(x \right) &= 2 F_{18}\! \left(x \right)+F_{275}\! \left(x \right)+F_{285}\! \left(x \right)\\ F_{285}\! \left(x \right) &= F_{286}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{286}\! \left(x \right) &= F_{287}\! \left(x \right)+F_{289}\! \left(x \right)\\ F_{287}\! \left(x \right) &= F_{282}\! \left(x \right)+F_{288}\! \left(x \right)\\ F_{288}\! \left(x \right) &= F_{258}\! \left(x \right)\\ F_{289}\! \left(x \right) &= F_{290}\! \left(x \right)+F_{295}\! \left(x \right)\\ F_{290}\! \left(x \right) &= F_{291}\! \left(x \right)\\ F_{291}\! \left(x \right) &= F_{292}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{292}\! \left(x \right) &= F_{293}\! \left(x \right)+F_{294}\! \left(x \right)\\ F_{293}\! \left(x \right) &= F_{282}\! \left(x \right)\\ F_{294}\! \left(x \right) &= F_{290}\! \left(x \right)\\ F_{295}\! \left(x \right) &= F_{296}\! \left(x \right)\\ F_{296}\! \left(x \right) &= F_{297}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{297}\! \left(x \right) &= F_{298}\! \left(x \right)+F_{299}\! \left(x \right)\\ F_{298}\! \left(x \right) &= F_{288}\! \left(x \right)\\ F_{299}\! \left(x \right) &= F_{300}\! \left(x \right)\\ F_{300}\! \left(x \right) &= F_{301}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{301}\! \left(x \right) &= F_{302}\! \left(x \right)+F_{303}\! \left(x \right)\\ F_{302}\! \left(x \right) &= F_{288}\! \left(x \right)\\ F_{303}\! \left(x \right) &= F_{300}\! \left(x \right)\\ F_{304}\! \left(x \right) &= F_{305}\! \left(x \right)\\ F_{305}\! \left(x \right) &= F_{306}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{306}\! \left(x \right) &= F_{307}\! \left(x \right)+F_{308}\! \left(x \right)\\ F_{307}\! \left(x \right) &= F_{26}\! \left(x \right)\\ F_{308}\! \left(x \right) &= F_{305}\! \left(x \right)\\ F_{309}\! \left(x \right) &= F_{310}\! \left(x \right)\\ F_{310}\! \left(x \right) &= F_{311}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{311}\! \left(x \right) &= F_{312}\! \left(x \right)+F_{318}\! \left(x \right)\\ F_{312}\! \left(x \right) &= F_{17}\! \left(x \right)+F_{313}\! \left(x \right)\\ F_{313}\! \left(x \right) &= F_{314}\! \left(x \right)\\ F_{314}\! \left(x \right) &= F_{315}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{315}\! \left(x \right) &= F_{316}\! \left(x \right)+F_{317}\! \left(x \right)\\ F_{316}\! \left(x \right) &= F_{21}\! \left(x \right)\\ F_{317}\! \left(x \right) &= F_{52}\! \left(x \right)\\ F_{318}\! \left(x \right) &= F_{309}\! \left(x \right)+F_{319}\! \left(x \right)\\ F_{319}\! \left(x \right) &= 3 F_{18}\! \left(x \right)+F_{320}\! \left(x \right)+F_{341}\! \left(x \right)\\ F_{320}\! \left(x \right) &= F_{321}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{321}\! \left(x \right) &= F_{322}\! \left(x \right)+F_{326}\! \left(x \right)\\ F_{322}\! \left(x \right) &= F_{313}\! \left(x \right)+F_{323}\! \left(x \right)\\ F_{323}\! \left(x \right) &= F_{324}\! \left(x \right)\\ F_{324}\! \left(x \right) &= F_{325}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{325}\! \left(x \right) &= F_{52}\! \left(x \right)\\ F_{326}\! \left(x \right) &= F_{327}\! \left(x \right)+F_{332}\! \left(x \right)\\ F_{327}\! \left(x \right) &= F_{328}\! \left(x \right)\\ F_{328}\! \left(x \right) &= F_{329}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{329}\! \left(x \right) &= F_{330}\! \left(x \right)+F_{331}\! \left(x \right)\\ F_{330}\! \left(x \right) &= F_{313}\! \left(x \right)\\ F_{331}\! \left(x \right) &= F_{327}\! \left(x \right)\\ F_{332}\! \left(x \right) &= F_{333}\! \left(x \right)\\ F_{333}\! \left(x \right) &= F_{334}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{334}\! \left(x \right) &= F_{335}\! \left(x \right)+F_{336}\! \left(x \right)\\ F_{335}\! \left(x \right) &= F_{323}\! \left(x \right)\\ F_{336}\! \left(x \right) &= F_{337}\! \left(x \right)\\ F_{337}\! \left(x \right) &= F_{338}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{338}\! \left(x \right) &= F_{339}\! \left(x \right)+F_{340}\! \left(x \right)\\ F_{339}\! \left(x \right) &= F_{323}\! \left(x \right)\\ F_{340}\! \left(x \right) &= F_{337}\! \left(x \right)\\ F_{341}\! \left(x \right) &= F_{342}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{342}\! \left(x \right) &= F_{343}\! \left(x \right)+F_{370}\! \left(x \right)\\ F_{343}\! \left(x \right) &= F_{344}\! \left(x \right)\\ F_{344}\! \left(x \right) &= F_{345}\! \left(x \right)\\ F_{345}\! \left(x \right) &= F_{346}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{346}\! \left(x \right) &= F_{347}\! \left(x \right)+F_{349}\! \left(x \right)\\ F_{347}\! \left(x \right) &= F_{21}\! \left(x \right)+F_{348}\! \left(x \right)\\ F_{348}\! \left(x \right) &= F_{314}\! \left(x \right)\\ F_{349}\! \left(x \right) &= F_{344}\! \left(x \right)+F_{350}\! \left(x \right)\\ F_{350}\! \left(x \right) &= 3 F_{18}\! \left(x \right)+F_{341}\! \left(x \right)+F_{351}\! \left(x \right)\\ F_{351}\! \left(x \right) &= F_{352}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{352}\! \left(x \right) &= F_{353}\! \left(x \right)+F_{355}\! \left(x \right)\\ F_{353}\! \left(x \right) &= F_{348}\! \left(x \right)+F_{354}\! \left(x \right)\\ F_{354}\! \left(x \right) &= F_{324}\! \left(x \right)\\ F_{355}\! \left(x \right) &= F_{356}\! \left(x \right)+F_{361}\! \left(x \right)\\ F_{356}\! \left(x \right) &= F_{357}\! \left(x \right)\\ F_{357}\! \left(x \right) &= F_{358}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{358}\! \left(x \right) &= F_{359}\! \left(x \right)+F_{360}\! \left(x \right)\\ F_{359}\! \left(x \right) &= F_{348}\! \left(x \right)\\ F_{360}\! \left(x \right) &= F_{356}\! \left(x \right)\\ F_{361}\! \left(x \right) &= F_{362}\! \left(x \right)\\ F_{362}\! \left(x \right) &= F_{363}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{363}\! \left(x \right) &= F_{364}\! \left(x \right)+F_{365}\! \left(x \right)\\ F_{364}\! \left(x \right) &= F_{354}\! \left(x \right)\\ F_{365}\! \left(x \right) &= F_{366}\! \left(x \right)\\ F_{366}\! \left(x \right) &= F_{367}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{367}\! \left(x \right) &= F_{368}\! \left(x \right)+F_{369}\! \left(x \right)\\ F_{368}\! \left(x \right) &= F_{354}\! \left(x \right)\\ F_{369}\! \left(x \right) &= F_{366}\! \left(x \right)\\ F_{370}\! \left(x \right) &= F_{371}\! \left(x \right)\\ F_{371}\! \left(x \right) &= F_{372}\! \left(x \right) F_{4}\! \left(x \right)\\ F_{372}\! \left(x \right) &= F_{373}\! \left(x \right)+F_{374}\! \left(x \right)\\ F_{373}\! \left(x \right) &= F_{52}\! \left(x \right)\\ F_{374}\! \left(x \right) &= F_{371}\! \left(x \right)\\ \end{align*}\)