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 A269324 #10 Mar 12 2016 22:21:51 %S A269324 3117,3747,13017,21309,28209,35097,39099,39189,42663,46923,52977, %T A269324 69501,71061,73239,83211,87663,88041,96171,100767,104613,108033, %U A269324 111831,112899,113691,114159,117483,123567,129939,135699,136239,139917,141807,141909,149241 %N A269324 Magic sums of 3 X 3 magic squares composed of primes in an arithmetic progression. %D A269324 Joseph S. Madachy, "Magic and Antimagic Squares." Ch. 4 in Madachy's Mathematical Recreations, New York: Dover, 1979, p. 95. %H A269324 Wikipedia, <a href="http://en.wikipedia.org/wiki/Magic_square">Magic square</a> %H A269324 Wikipedia, <a href="https://en.wikipedia.org/wiki/Primes_in_arithmetic_progression">Primes in arithmetic progression</a> %H A269324 <a href="/index/Mag#magic">Index entries for sequences related to magic squares</a> %Y A269324 Cf. A269325. Subsequence of A268790. %K A269324 nonn %O A269324 1,1 %A A269324 _Arkadiusz Wesolowski_, Feb 23 2016