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 A239582 #6 Apr 10 2014 09:45:30 %S A239582 1,8,25,32,125,169,625,1681,3721,12769,32761,97969,177241,375769, %T A239582 579121,707281,1026169,1442401,1692601,3031081,3463321,4464769, %U A239582 5669161,6355441,7189057,9740641,13053769,20367169,26020201,53597041,73633561,93334921,98823481,110523169 %N A239582 Prime powers (A025475) such that the distance to the nearest square is a square. %Y A239582 Cf. A025475, A239583. %K A239582 nonn %O A239582 1,2 %A A239582 _Alex Ratushnyak_, Mar 21 2014