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A360052
Number of length n inversion sequences avoiding the patterns 010 and 201 (or 010 and 210).
4
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
0,3
LINKS
Benjamin Testart, Inversion sequences avoiding the pattern 010, arXiv:2212.07222 [math.CO], 2022. See Table 2 p. 2.
Chunyan Yan and Zhicong Lin, Inversion sequences avoiding pairs of patterns, arXiv:1912.03674 [math.CO], 2019.
CROSSREFS
Sequence in context: A352853 A006790 A007548 * A328431 A120567 A263779
KEYWORD
nonn
AUTHOR
Benjamin Testart, Jan 23 2023
STATUS
approved