A374543 Number of length n inversion sequences avoiding the patterns 000 and 201 (or 000 and 210).

1, 1, 2, 5, 16, 60, 257, 1218, 6270, 34530, 201223, 1230168, 7836622, 51738649, 352457285, 2468427794, 17718840472, 130027678901, 973357030743, 7418717413322, 57477823445999, 452035218046890, 3604179615488962, 29102380883498470, 237748924887335003

Offset: 0

Author

Benjamin Testart, Jul 12 2024

Keywords

• nonn

Links

• Benjamin Testart, Table of n, a(n) for n = 0..750
• Benjamin Testart, Completing the enumeration of inversion sequences avoiding one or two patterns of length 3, arXiv:2407.07701 [math.CO], 2024.

Crossrefs

Cf. A279555.