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 A125016 #2 Mar 31 2012 14:45:33 %S A125016 5445,5670,6237,6825,7425,7623,8550,8775,10125,10350,10530,10647, %T A125016 10773,11130,11340,11583,12150,12390,12474,12495,12810,12870,13041, %U A125016 13050,13125,13635,13725,13755,13770,13860,13905,14070,14385,14445,14595 %N A125016 Numbers n for which nontrivial positive magic squares of exactly 9 different orders with magic sum n exist. For a definition of nontrivial positive magic squares, see A125005. %C A125016 A125016 lists all values s such that A125005(s) = 9. %Y A125016 Cf. A125005, A125006, A125007, A125008, A125009, A125010, A125011, A125012, A125013, A125014, A125015, A125016, A125017. %K A125016 easy,nonn %O A125016 1,1 %A A125016 _Jens Voß_, Nov 15 2006