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 A125012 #2 Mar 31 2012 14:45:33 %S A125012 525,585,630,675,693,735,765,825,855,882,1035,1050,1125,1134,1215, %T A125012 1260,1287,1305,1350,1395,1449,1470,1530,1617,1650,1665,1695,1701, %U A125012 1725,1770,1782,1827,1830,1875,1905,1911,1925,1953,1965,2010,2055,2085,2100,2106 %N A125012 Numbers n for which nontrivial positive magic squares of exactly 5 different orders with magic sum n exist. For a definition of nontrivial positive magic squares, see A125005. %C A125012 A125012 lists all values s such that A125005(s) = 5. %Y A125012 Cf. A125005, A125006, A125007, A125008, A125009, A125010, A125011, A125013, A125014, A125015, A125016, A125017. %K A125012 easy,nonn %O A125012 1,1 %A A125012 _Jens Voß_, Nov 15 2006