A374547 Number of length n inversion sequences avoiding the patterns 101 and 210.

1, 1, 2, 6, 23, 103, 513, 2763, 15816, 95109, 595873, 3865396, 25837360, 177275162, 1244621410, 8918587896, 65085848546, 482852672433, 3635811839722, 27749901618649, 214430320809516, 1675833302839457, 13234389150662469, 105525920568921495, 848962775349348810

Offset

0,3

Links

Benjamin Testart, Table of n, a(n) for n = 0..800

Benjamin Testart, Completing the enumeration of inversion sequences avoiding one or two patterns of length 3, arXiv:2407.07701 [math.CO], 2024.

Crossrefs

Cf. A113227, A263777, A360052, A374542, A374543.

Sequence in context: A005802 A061552 A338752 * A263778 A352854 A378608

Adjacent sequences: A374544 A374545 A374546 * A374548 A374549 A374550

Keyword

nonn

Author

Benjamin Testart, Jul 13 2024

Status

approved