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 A205011 #8 Mar 30 2012 18:58:10 %S A205011 1,2,2,2,1,2,3,3,2,4,7,6,5,3,6,3,2,2,1,6,6,7,1,6,4,5,3,6,4,6,11,3,7,2, %T A205011 2,4,2,7,8,5,3,6,15,7,4,4,1,6,2,4,3,8,6,3,9,6,7,4,18,6 %N A205011 The index j<k such that n divides C(2k-2,k-1)-C(2j-2,j-1), where k is the least index (A205010) for which such j exists. %C A205011 For a guide to related sequences, see A204892. %t A205011 (See the program at A205010.) %Y A205011 Cf. A205010, A204892. %K A205011 nonn %O A205011 1,2 %A A205011 _Clark Kimberling_, Jan 22 2012