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Number of permutations avoiding the pattern 124-3.
0

%I #19 Jun 25 2019 11:17:03

%S 1,2,6,23,107,584,3660,25910,204564,1782520,16995202,176008542,

%T 1967664910,23618071616,302957562470

%N Number of permutations avoiding the pattern 124-3.

%H Juan S. Auli, Sergi Elizalde, <a href="https://arxiv.org/abs/1906.07365">Consecutive patterns in inversion sequences II: avoiding patterns of relations</a>, arXiv:1906.07365 [math.CO], 2019. See Table 1, p. 6.

%H Andrew M. Baxter and Lara K. Pudwell, <a href="http://arxiv.org/abs/1108.2642">Enumeration schemes for dashed patterns</a>, arXiv preprint arXiv:1108.2642 [math.CO], 2011.

%K nonn,more

%O 1,2

%A _N. J. A. Sloane_, Nov 17 2011

%E a(11)-a(15) from _Lars Blomberg_, Apr 16 2018