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 A191164 #4 Mar 30 2012 18:57:30 %S A191164 4,5,6,7,11,12,13,14,18,19,20,21,25,26,27,28,32,33,34,35,39,40,41,42, %T A191164 46,47,48,49,53,54,55,56,61,62,63,68,69,70,75,76,77,82,83,84,89,90,91, %U A191164 96,97,98,103,104,105,110,111,112,113,117,118,119,120,124,125,126,127,131,132,133,134,138,139,140,141,145,146,147,148,152,153 %N A191164 Positions of 1 in A191153; complement of A191159. %C A191164 See A191153. %t A191164 (See A191153.) %Y A191164 Cf. A191153, A191159. %K A191164 nonn %O A191164 1,1 %A A191164 _Clark Kimberling_, May 27 2011