A356197 Number of Baxter 3-permutations of length n.

1, 1, 4, 28, 260, 2872, 35620, 479508

Offset

0,3

Links

Table of n, a(n) for n=0..7.

Nicolas Bonichon and Pierre-Jean Morel, Baxter d-permutations and other pattern avoiding classes, arXiv:2202.12677 [math.CO], 2022.

Crossrefs

Cf. A001181.

Sequence in context: A353018 A141004 A217806 * A152410 A177403 A360775

Adjacent sequences: A356194 A356195 A356196 * A356198 A356199 A356200

Keyword

nonn,more

Author

Nicolas Bonichon, Jul 29 2022

Status

approved