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A278027 Number of 1324-avoiding permutations of length n with a non-intersecting boundary of type (t, 3), for some integer t >= 1. 0

%I #7 Nov 09 2016 18:49:30

%S 0,0,0,1,1,7,33,139,566,2279,9132,36488,145500,579318

%N Number of 1324-avoiding permutations of length n with a non-intersecting boundary of type (t, 3), for some integer t >= 1.

%H C. Bean, M. Tannock and H. Ulfarsson, <a href="http://arxiv.org/abs/1512.08155">Pattern avoiding permutations and independent sets in graphs</a>, arXiv:1512.08155 [math.CO], 2015. See Prop. 5.20.

%K nonn,more

%O 0,6

%A _N. J. A. Sloane_, Nov 09 2016

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Last modified July 30 12:09 EDT 2024. Contains 374743 sequences. (Running on oeis4.)