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%I #9 Nov 09 2016 18:50:10
%S 0,0,1,1,4,14,49,174,626,2276,8346,30821,114495,427481
%N Number of 1324-avoiding permutations of length n with a non-intersecting boundary of type (t, 2), 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. 5.17.
%K nonn,more
%O 0,5
%A _N. J. A. Sloane_, Nov 09 2016
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