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Number of length n inversion sequences avoiding the patterns 100 and 110.
4

%I #7 Jul 12 2024 12:00:59

%S 1,1,2,6,22,93,437,2233,12227,71011,434151,2778424,18530560,128351696,

%T 920714033,6824472471,52169690544,410668022430,3324392442855,

%U 27643496374175,235891305666644,2063970414061799,18503192136038026,169846619393391680,1595434723902554826

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

%H Benjamin Testart, <a href="/A374544/b374544.txt">Table of n, a(n) for n = 0..590</a>

%H Benjamin Testart, <a href="https://arxiv.org/abs/2407.07701">Completing the enumeration of inversion sequences avoiding one or two patterns of length 3</a>, arXiv:2407.07701 [math.CO], 2024.

%Y Cf. A279555.

%K nonn

%O 0,3

%A _Benjamin Testart_, Jul 12 2024