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 A191771 #5 Mar 30 2012 18:57:33 %S A191771 1,4,5,7,9,10,13,14,16,18,19,22,23,24,26,28,30,34,35,36,37,39,41,42, %T A191771 45,47,50,51,52,54,56,58,59,60,61,64,66,70,72,73,74,76,78,79,81,82,83, %U A191771 84,85,88,91,95,97,98,99,100,103,104,106,108,109,111,112,114 %N A191771 Positions of 1 in A191770. %C A191771 See A191770. This sequence and A191772 and A191773 partition the set of positive integers. %t A191771 (See A191770.) %Y A191771 Cf. A191770. %K A191771 nonn %O A191771 1,2 %A A191771 _Clark Kimberling_, Jun 16 2011