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 A014582 #16 Oct 10 2022 20:47:30 %S A014582 3,23,43,47,61,67,113,127,137,149,173,193,199 %N A014582 Orders of magic squares whose rows and columns all have different sum-of-squares values (except for the necessary 180-degree symmetry). %H A014582 <a href="/index/Mag#magic">Index entries for sequences related to magic squares</a> %K A014582 nonn,more %O A014582 1,1 %A A014582 _Matthew Cook_, Dec 11 1999