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 A090037 #11 Feb 16 2025 08:32:51 %S A090037 1,0,0,0,0,0,0,0,0,0,0,106,555,0,0,235275 %N A090037 Number of tetramagic (4-multimagic) series for squares of order n. %H A090037 Christian Boyer, <a href="http://www.multimagie.com/indexengl.htm">Multimagic Squares</a> %H A090037 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MagicSeries.html">Magic Series</a> %Y A090037 Cf. A052456, A052457, A052458, A090653, A092312, A106646. %K A090037 nonn,more %O A090037 1,12 %A A090037 _Eric W. Weisstein_, Nov 19 2003 %E A090037 One more term from Christian Boyer (cboyer(AT)club-internet.fr), Nov 05 2004 %E A090037 One further term from Christian Boyer (cboyer(AT)club-internet.fr), May 30 2005 %E A090037 a(15)=0 proved by Robert Gerbitz and communicated by Christian Boyer (cboyer(AT)club-internet.fr), Apr 02 2007 %E A090037 a(16) computed by Michael Quist, and communicated by Christian Boyer (cboyer(AT)club-internet.fr), Feb 06 2009