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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
0, 0, 0, 1, 1, 7, 33, 139, 566, 2279, 9132, 36488, 145500, 579318 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,6
LINKS
C. Bean, M. Tannock and H. Ulfarsson, Pattern avoiding permutations and independent sets in graphs, arXiv:1512.08155 [math.CO], 2015. See Prop. 5.20.
CROSSREFS
Sequence in context: A034577 A372878 A141291 * A225895 A089106 A211829
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Nov 09 2016
STATUS
approved

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Last modified July 14 20:49 EDT 2024. Contains 374323 sequences. (Running on oeis4.)