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 A268912 #9 Mar 15 2016 00:10:38 %S A268912 65573,72337,165679,167429,167479,311981,376907,383183,417943,449933, %T A268912 725411,733643,740749,854119,884311,1132717,1176781,1229731,1247899, %U A268912 1256659,1529543,1681439,2111153,2238667,2372927,2536175,2725573,2787865,2822663,2849927,2937691 %N A268912 Magic sums of 3 X 3 semimagic squares composed of consecutive primes. %H A268912 <a href="/index/Mag#magic">Index entries for sequences related to magic squares</a> %Y A268912 Cf. A265139, A265614, A256891. Supersequence of A270305. %K A268912 nonn %O A268912 1,1 %A A268912 _Arkadiusz Wesolowski_, Feb 15 2016