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Wilf equivalence Based on:
Generating function in Maple format
Minimal polynomial in Maple format
First 15 coefficients

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24454 Results

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1
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23
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25
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979
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Av(123, 132, 213, 3412) Av(123, 132, 213, 3421) Av(123, 132, 213, 4231) Av(123, 132, 213, 4321) Av(123, 132, 231, 3214) Av(123, 132, 231, 4213) Av(123, 132, 231, 4312) Av(123, 132, 231, 4321) Av(123, 132, 321, 3412) Av(123, 231, 312, 1432) Av(123, 231, 312, 2143) Av(123, 231, 312, 4321) Av(132, 213, 231, 1234) Av(132, 213, 231, 4123) Av(132, 213, 231, 4312) Av(132, 213, 231, 4321) Av(123, 132, 3214, 3241) Av(123, 132, 3214, 3412) Av(123, 132, 3214, 3421) Av(123, 132, 3214, 4231) Av(123, 132, 3214, 4321) Av(123, 132, 3241, 3412) Av(123, 132, 3241, 3421) Av(123, 132, 3241, 4213) Av(123, 132, 3241, 4231)