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A256203 Number of permutations in S_n that avoid the pattern 43251. 0

%I

%S 1,1,2,6,24,119,694,4581,33283,260805,2171393,18994464,173094540,

%T 1632480259

%N Number of permutations in S_n that avoid the pattern 43251.

%H Zvezdelina Stankova-Frenkel and Julian West, <a href="http://arxiv.org/abs/math/0103152">A new class of Wilf-equivalent permutations, arXiv:math/0103152.

%Y Representatives for the 16 Wilf-equivalence patterns of length 5 are given in A116485, A047889, and A256195-A256208.

%Y Cf. A099952.

%K nonn,more

%O 0,3

%A _N. J. A. Sloane_, Mar 19 2015

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Last modified August 19 08:26 EDT 2019. Contains 326115 sequences. (Running on oeis4.)