A374544 Number of length n inversion sequences avoiding the patterns 100 and 110.

1, 1, 2, 6, 22, 93, 437, 2233, 12227, 71011, 434151, 2778424, 18530560, 128351696, 920714033, 6824472471, 52169690544, 410668022430, 3324392442855, 27643496374175, 235891305666644, 2063970414061799, 18503192136038026, 169846619393391680, 1595434723902554826

Offset

0,3

Links

Benjamin Testart, Table of n, a(n) for n = 0..590

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.

Sequence in context: A261518 A185349 A317652 * A374545 A150274 A109317

Adjacent sequences: A374541 A374542 A374543 * A374545 A374546 A374547

Keyword

nonn,new

Author

Benjamin Testart, Jul 12 2024

Status

approved