A200405 Number of permutations avoiding the pattern 214-3.

1, 2, 6, 23, 107, 583, 3637, 25548, 199506, 1714383, 16075861, 163346039, 1787800653, 20968763454, 262377046698

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: A130908 A200404 A000772 * A336071 A200403 A113226

Adjacent sequences: A200402 A200403 A200404 * A200406 A200407 A200408

Keyword

nonn,more

Author

N. J. A. Sloane, Nov 17 2011

Extensions

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

Status

approved