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 A204901 #9 Feb 27 2013 09:44:09 %S A204901 1,1,2,1,1,2,1,1,2,1,3,2,1,1,3,1,1,2,1,1,2,3,3,2,1,1,2,1,1,3,2,2,2,1, %T A204901 1,2,2,1,2,1,3,2,1,1,3,3,1,2,1,1,2,3,1,2,1,1,5,1,5,3,2,2,2,1,3,2,1,1, %U A204901 4,1,3,3,1,2,3,1,1,2,2,1,2,3,3,2,1,1,2,5,1,3 %N A204901 The index j<k such that n divides s(k)-s(j), where k is the least index (A204900) for which such j exists, and s(k) denotes the k-th odd prime. %C A204901 For a guide to related sequences, see A204892. %t A204901 (See the program at A204900.) %Y A204901 Cf. A204900, A204892. %K A204901 nonn %O A204901 1,3 %A A204901 _Clark Kimberling_, Jan 20 2012