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 A126654 #14 Jul 12 2018 11:42:05 %S A126654 32,4,24,12,20,28,16,36,8 %N A126654 A 3 x 3 magic square. %C A126654 The magic sum is 60. See Figure C.6 in Appendix C in Maya Ahmed's PhD thesis. %H A126654 Maya Mohsin Ahmed, <a href="https://arxiv.org/abs/math/0405476">Algebraic Combinatorics of Magic Squares</a>, arXiv:math/0405476 [math.CO], 2004. PhD thesis. %H A126654 Maya Mohsin Ahmed, <a href="https://www.jstor.org/stable/4145267">How many squares are there, Mr. Franklin?: Constructing and Enumerating Franklin Squares</a>, Amer. Math. Monthly, Vol. 111, 2004, pp. 394-410. %F A126654 a(n) = ( A116198(n) + 1 ) * 4. - _Martin Ettl_, Nov 12 2012 %e A126654 The magic square is: %e A126654 32 4 24 %e A126654 12 20 28 %e A126654 16 36 8 %K A126654 fini,full,nonn,tabf %O A126654 1,1 %A A126654 _Parthasarathy Nambi_, Feb 08 2007