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A200403 Number of permutations avoiding the pattern 124-3. 0
1, 2, 6, 23, 107, 584, 3660, 25910, 204564, 1782520, 16995202, 176008542, 1967664910, 23618071616, 302957562470 (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 dashed patterns, arXiv preprint arXiv:1108.2642 [math.CO], 2011.

CROSSREFS

Sequence in context: A200404 A000772 A200405 * A113226 A071075 A007555

Adjacent sequences:  A200400 A200401 A200402 * A200404 A200405 A200406

KEYWORD

nonn,more

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 April 24 22:18 EDT 2019. Contains 322446 sequences. (Running on oeis4.)