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 A089925 #17 Jul 09 2025 04:23:18 %S A089925 0,1,1,1,2,1,8,17,2265,30583,358335026,69522550106,55355570223093935, %T A089925 206176045800229002160 %N A089925 Number of commutative loops (quasigroups with an identity element) of order n. %H A089925 Brendan D. McKay and Ian M. Wanless, <a href="https://doi.org/10.1002/jcd.21814">Enumeration of Latin squares with conjugate symmetry</a>, J. Combin. Des. 30 (2022), 105-130. %H A089925 <a href="/index/Qua#quasigroups">Index entries for sequences related to quasigroups</a> %Y A089925 Cf. A057771, A035481, A350009, A350010, A057992. %K A089925 nonn,hard,more %O A089925 0,5 %A A089925 _Christian G. Bower_ and Juergen Buntrock (jubu(AT)jubu.com), Nov 14 2003 %E A089925 a(9) from Michael Thwaites (michael.thwaites(AT)ucop.edu), Jan 23 2004 %E A089925 a(0) prepended by _Jianing Song_, Oct 26 2019 %E A089925 a(10)-a(13) from _Ian Wanless_, Dec 08 2021