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 A384560 #9 Jun 03 2025 15:14:38 %S A384560 8,1472,25272,3528,713000,2265408,11776 %N A384560 Number of uniform step magic squares of order 2*n+1. %H A384560 Livinus U. Uko, <a href="https://combinatorialpress.com/ars-articles/volume-071-ars-articles/uniform-step-magic-squares-revisited/">Uniform step magic squares revisited</a>, Ars Combinatoria, Vol. 71 (2004), pp. 109-123. %H A384560 Livinus U. Uko, <a href="https://bpb-us-w2.wpmucdn.com/sites.gsu.edu/dist/a/3748/files/2025/02/UkoMagicSquareTalk2025.pdf">Mathematical recreation and research with magic squares and magic cubes</a>, Slides, 2025. See p. 19. %Y A384560 Cf. A217568, A126709. %K A384560 nonn,more %O A384560 1,1 %A A384560 _Michel Marcus_, Jun 03 2025