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 A052458 #30 Feb 16 2025 08:32:42 %S A052458 1,0,0,2,2,0,0,121,126,0,31187,2226896,17265701,0,69303997733 %N A052458 Number of trimagic series for squares of order n. %C A052458 Asymptotic results are presented in Quist for magic cube and hypercube series, bimagic series, and trimagic series. - _Jonathan Vos Post_, Jun 04 2013 %D A052458 M. Kraitchik, Mathematical Recreations, 1942, see Section 7.10. %H A052458 Christian Boyer, <a href="http://www.multimagie.com/indexengl.htm">Multimagic Squares</a> %H A052458 Michael Quist, <a href="http://arxiv.org/abs/1306.0616">Asymptotic enumeration of magic series</a>, arXiv:1306.0616v1 [math.CO], June 3, 2013. %H A052458 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MultimagicSeries.html">Multimagic Series</a> %Y A052458 Cf. A052456, A052457, A090653, A092312, A090037. %K A052458 nonn,more,nice %O A052458 1,4 %A A052458 _Eric W. Weisstein_ %E A052458 Corrected and extended Nov 15 2003, using the values of a(3) through a(12) from Christian Boyer's web site. - _N. J. A. Sloane_ %E A052458 One more term from Christian Boyer (cboyer(AT)club-internet.fr), Nov 05 2004 %E A052458 One further term from Christian Boyer (cboyer(AT)club-internet.fr), May 30 2005 %E A052458 a(15) computed by Michael Quist, and communicated by Christian Boyer (cboyer(AT)club-internet.fr), Feb 06 2009