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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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24
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26
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979
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Av(123, 132, 3241, 4312) Av(123, 132, 3241, 4321) Av(123, 132, 3412, 3421) Av(123, 132, 3412, 4231) Av(123, 132, 3412, 4321) Av(123, 132, 3421, 4231) Av(123, 132, 3421, 4312) Av(123, 132, 3421, 4321) Av(123, 132, 4231, 4321) Av(123, 231, 1432, 2143) Av(123, 231, 1432, 3214) Av(123, 231, 1432, 4132) Av(123, 231, 1432, 4213) Av(123, 231, 1432, 4312) Av(123, 231, 1432, 4321) Av(123, 231, 2143, 4132) Av(123, 231, 2143, 4312) Av(123, 231, 2143, 4321) Av(123, 231, 4132, 4213) Av(123, 231, 4132, 4312) Av(123, 231, 4132, 4321) Av(123, 231, 4312, 4321) Av(123, 321, 2143, 2413) Av(123, 321, 2143, 3412) Av(123, 321, 2413, 3142)