A374546 Number of length n inversion sequences avoiding the patterns 110 and 201.
1, 1, 2, 6, 23, 103, 512, 2739, 15464, 90964, 552570, 3444473, 21930271, 142105583, 934612523, 6225356918, 41923198109, 285028459807, 1954160675724, 13497387857456, 93843199637004, 656325719024695, 4614695142311098, 32602630763193546, 231343227544240096
Offset: 0
Keywords
Links
- Benjamin Testart, Table of n, a(n) for n = 0..850
- Benjamin Testart, Completing the enumeration of inversion sequences avoiding one or two patterns of length 3, arXiv:2407.07701 [math.CO], 2024.