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A200404 Number of permutations avoiding the pattern 143-2. 0
1, 2, 6, 23, 107, 582, 3622, 25369, 197523, 1692535, 15829557, 160463512, 1752529064, 20516018396, 256273980368 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..15.

Andrew M. Baxter and Lara K. Pudwell, Enumeration schemes for vincular patterns, arXiv preprint arXiv:1108.2642, 2011

CROSSREFS

Sequence in context: A187761 A277176 A130908 * A000772 A200405 A200403

Adjacent sequences:  A200401 A200402 A200403 * A200405 A200406 A200407

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 17 2011

EXTENSIONS

a(11)-a(15) from Lars Blomberg, Apr 16 2018

STATUS

approved

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Last modified March 18 22:11 EDT 2019. Contains 321305 sequences. (Running on oeis4.)