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 A374550 #7 Jul 17 2024 08:54:39 %S A374550 1,1,2,6,23,102,498,2607,14386,82663,490228,2981407,18507513, %T A374550 116855873,748427848,4851982365,31784721142,210111119681, %U A374550 1399977460914,9393523464391,63420812374620,430570197000992,2937789342516835,20135022976572246,138566149670814993 %N A374550 Number of length n inversion sequences avoiding the patterns 120 and 201. %H A374550 Benjamin Testart, <a href="/A374550/b374550.txt">Table of n, a(n) for n = 0..350</a> %H A374550 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 A374550 Cf. A263777, A263778, A279559, A279566, A279570, A360052, A374546, A374548. %K A374550 nonn %O A374550 0,3 %A A374550 _Benjamin Testart_, Jul 17 2024