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 A205107 #8 Mar 30 2012 18:58:10 %S A205107 1,1,1,1,2,1,2,1,1,2,2,2,2,2,2,1,3,1,3,2,1,2,3,3,4,2,1,5,2,2,7,1,2,3, %T A205107 1,2,2,3,4,4,6,1,9,2,2,3,6,3,1,4,3,4,11,1,2,5,3,2,5,2 %N A205107 The index j<k such that n divides s(k)-s(j), where k is the least index (A205000) for which such j exists, and s(k)=3^k-2^k. %C A205107 For a guide to related sequences, see A204892. %t A205107 (See the program at A205000.) %Y A205107 Cf. A205000, A204892. %K A205107 nonn %O A205107 1,5 %A A205107 _Clark Kimberling_, Jan 22 2012