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 A125014 #2 Mar 31 2012 14:45:33 %S A125014 1575,1755,1785,1890,1995,2145,2310,2415,2475,2625,2730,2805,2970, %T A125014 3015,3045,3105,3150,3195,3213,3255,3285,3315,3375,3510,3555,3570, %U A125014 3591,3645,3675,3705,3735,3885,3915,3990,4005,4050,4185,4230,4305,4365,4515,4545 %N A125014 Numbers n for which nontrivial positive magic squares of exactly 7 different orders with magic sum n exist. For a definition of nontrivial positive magic squares, see A125005. %C A125014 A125014 lists all values s such that A125005(s) = 7. %Y A125014 Cf. A125005, A125006, A125007, A125008, A125009, A125010, A125011, A125012, A125013, A125015, A125016, A125017. %K A125014 easy,nonn %O A125014 1,1 %A A125014 _Jens Voß_, Nov 15 2006