A360052 Number of length n inversion sequences avoiding the patterns 010 and 201 (or 010 and 210).
1, 1, 2, 5, 15, 53, 214, 958, 4650, 24103, 131974, 757011, 4519321, 27933252, 177987808, 1165057411, 7811122974, 53506838952, 373693431140, 2656088059747, 19182588092365, 140577110057850, 1044102585724522, 7851149068600037, 59714190403840142, 459001044591439621
Offset: 0
Keywords
Links
- Benjamin Testart, Table of n, a(n) for n = 0..200
- Benjamin Testart, Inversion sequences avoiding the pattern 010, arXiv:2212.07222 [math.CO], 2022. See Table 2 p. 2.
- Benjamin Testart, Completing the enumeration of inversion sequences avoiding one or two patterns of length 3, arXiv:2407.07701 [math.CO], 2024.
- Chunyan Yan and Zhicong Lin, Inversion sequences avoiding pairs of patterns, arXiv:1912.03674 [math.CO], 2019.