This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A374552 #5 Jul 17 2024 09:44:16 %S A374552 1,1,2,5,15,50,185,737,3126,13976,65426,318699,1607800,8368088, %T A374552 44791046,245903077,1381505822,7926881015,46373681595,276193339071, %U A374552 1672469062126,10284954435831,64164864206704,405733694376937,2598199309906531,16837017409254863 %N A374552 Number of length n inversion sequences avoiding the patterns 000 and 120. %H A374552 Benjamin Testart, <a href="/A374552/b374552.txt">Table of n, a(n) for n = 0..360</a> %H A374552 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 A374552 Cf. A000111, A263778, A279552, A279559, A279564, A279570, A374541, A374543. %K A374552 nonn %O A374552 0,3 %A A374552 _Benjamin Testart_, Jul 17 2024