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 A096514 #4 Oct 15 2013 22:32:26
%S A096514 12,13,15,17,18,19,20,22,24,32,34,35,39,40,41,43,44,46,47,49,50,51,56,
%T A096514 57,58,59,60,61,65,67,70,71,72,74,75,77,79,80,81,82,83,85,86,98,99,
%U A096514 100,101,103,107,109,110,111,112,122,131,133,134,135,136,151,152,153,154
%N A096514 Solutions to A096509[x]=3; number of prime-powers [including primes] in the neighborhood of x with Ceiling[Log[x]] radius equals 3.
%e A096514 n=122: in [117,127] {121,125,127} are the 3 corresponding
%e A096514 powers of prime.
%Y A096514 Cf. A096508-A096519.
%K A096514 nonn
%O A096514 1,1
%A A096514 _Labos Elemer_, Jul 12 2004