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 A096519 #5 Oct 15 2013 22:32:26 %S A096519 284736,595953,855723,855725,855726,855727,1146785,1146786,1146787, %T A096519 1616612,1616618,1616624,1652884,1654028,1718708,1749272,1954358, %U A096519 2176624,2580658,2580659,2580660,2580661,2580662,2831672,2839942 %N A096519 Solutions to A096509[x]=8, the number of prime-powers [including primes] in neighborhood of x with Ceiling[Log[x]] radius, equals 8. %Y A096519 Cf. A096508-A096518. %K A096519 nonn %O A096519 1,1 %A A096519 _Labos Elemer_, Jul 12 2004