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 A030453 #20 Jun 13 2022 07:20:55 %S A030453 1,1,2,6,22,94,451,2386,13775,86417,590489,4446029,37869449,382549464 %N A030453 Number of linearly ordered Abelian monoids of size n (semi-groups with greatest element of the corresponding chain as neutral element); triangular norms on an n-chain. %H A030453 R. Belohlavek and V. Vychodil, <a href="https://doi.org/10.1007/s11083-010-9143-7">Residuated Lattices of Size <= 12</a>. Order 27, 147-161 (2010), Table 2. %H A030453 R. Belohlavek, V. Vychodil, <a href="https://math.chapman.edu/~jipsen/finitestructures/cirl/reslat12.pdf">Residuated lattices of size <= 12, Extended version</a> %H A030453 <a href="/index/Mo#monoids">Index entries for sequences related to monoids</a> %K A030453 nonn,hard,nice %O A030453 1,3 %A A030453 Bernard De Baets (Bernard.DeBaets(AT)rug.ac.be)