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 A057771 #32 Feb 02 2020 21:30:04 %S A057771 0,1,1,1,2,6,109,23746,106228849,9365022303540,20890436195945769617, %T A057771 1478157455158044452849321016 %N A057771 Number of loops (quasigroups with an identity element) of order n. %H A057771 Brendan D. McKay, A. Meynert and W. Myrvold, <a href="http://users.cecs.anu.edu.au/~bdm/papers/ls_final.pdf">Small Latin Squares, Quasigroups and Loops</a>, J. Combin. Designs 15 (2007), no. 2, 98-119. %H A057771 A. Hulpke, Petteri Kaski and Patric R. J. Östergård, <a href="http://dx.doi.org/10.1090/S0025-5718-2010-02420-2">The number of Latin squares of order 11</a>, Math. Comp. 80 (2011) 1197-1219. %H A057771 <a href="/index/Qua#quasigroups">Index entries for sequences related to quasigroups</a> %Y A057771 Cf. A000315, A057991, A057992, A057993, A057994, A057996, A057997, A057998, A089925. %K A057771 nonn,more,nice %O A057771 0,5 %A A057771 _Christian G. Bower_, Nov 01 2000 %E A057771 a(8) from Juergen Buntrock (jubu(AT)jubu.com), Nov 03 2003. %E A057771 a(9)-a(10) (from the McKay-Meynert-Myrvold article) from _Richard Bean_, Feb 17 2004 %E A057771 a(11) from Petteri Kaski (petteri.kaski(AT)cs.helsinki.fi), Sep 18 2009 %E A057771 a(0) prepended by _Jianing Song_, Oct 26 2019