A356197 Number of Baxter 3-permutations of length n.
1, 1, 4, 28, 260, 2872, 35620, 479508
Offset: 0
Links
- Nicolas Bonichon and Pierre-Jean Morel, Baxter d-permutations and other pattern avoiding classes, arXiv:2202.12677 [math.CO], 2022.
Crossrefs
Cf. A001181.