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 A114628 #6 Feb 16 2025 08:32:59 %S A114628 1,2,6,576,80640,505958400,30739709952000,55019078005712486400 %N A114628 Number of even Latin squares of order n. %H A114628 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Alon-TarsiConjecture.html">Alon-Tarsi Paradox</a> %H A114628 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/LatinSquare.html">Latin Square</a> %Y A114628 Cf. A002860, A065711, A114629, A114630. %K A114628 nonn,hard,more %O A114628 1,2 %A A114628 _Eric W. Weisstein_, Dec 18 2005