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
Keywords
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.