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 A204899 #6 Feb 27 2013 09:44:08 %S A204899 1,1,5,2,7,5,11,4,23,7,31,12,29,11,48,16,46,23,56,22,80,31,94,30,92, %T A204899 29,107,37,121,48,138,47,155,46,172,57,192,56,212,67,234,80,232,79, %U A204899 256,94,254,93,277,92 %N A204899 Least k such that n divides A204898(k), the k-th difference of two odd primes. %C A204899 For a guide to related sequences, see A204892. %t A204899 (See the program at A204900.) %Y A204899 Cf. A204900, A204892. %K A204899 nonn %O A204899 1,3 %A A204899 _Clark Kimberling_, Jan 20 2012