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 A290887 #37 Mar 29 2025 12:19:58 %S A290887 1,2,5,23,88,595,3456,34530,321931,4895272 %N A290887 The number of non-degenerate involutive set-theoretic solutions of the Yang-Baxter equation of order n up to isomorphism. %H A290887 Özgur Akgun, Martin Mereb, and Leandro Vendramin, <a href="https://arxiv.org/abs/2008.04483">Enumeration of set-theoretic solutions to the Yang-Baxter equation</a>, arXiv:2008.04483 [math.GR], 2020. %H A290887 Özgur Akgun, Mun See Chang, Ian P. Gent, and Christopher Jefferson, <a href="https://arxiv.org/abs/2503.17251">Breaking the Symmetries of Indistinguishable Objects</a>, arXiv:2503.17251 [cs.AI], 2025. See pp. 14, 17. %H A290887 Marco Bonatto, Michael Kinyon, David Stanovský, and Petr Vojtěchovský, <a href="https://arxiv.org/abs/1910.02148">Involutive Latin solutions of the Yang-Baxter equation</a>, arXiv:1910.02148 [math.GR], 2019. %H A290887 Pavel Etingof, Travis Schedler, and Alexandre Soloviev, <a href="https://arxiv.org/abs/math/9801047">Set-theoretical solutions to the quantum Yang-Baxter equation</a>, arXiv:math/9801047 [math.QA], 1998; Duke Math. J. 100 (1999), no. 2, 169-209. %K A290887 nonn,hard,more %O A290887 1,2 %A A290887 _David Stanovsky_, Aug 13 2017 %E A290887 a(8) corrected and a(9)-a(10) added by _Leandro Vendramin_, Aug 15 2020