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 A190847 #4 Mar 30 2012 18:57:29 %S A190847 2,3,6,7,9,10,13,14,16,17,20,21,24,27,28,31,34,35,38,39,41,42,45,46, %T A190847 48,49,52,53,56,59,60,63,66,67,70,73,74,77,78,80,81,84,85,87,88,91,92, %U A190847 95,98,99,102,105,106,109,110,112,113,116,117,119,120,123,124,127,130,131,134,137,138,141,144,145,148,149,151,152,155,156 %N A190847 Positions of 0 in A190843; complement of A190860. %C A190847 See A190843. %t A190847 (See A190843.) %Y A190847 Cf. A190843, A190860. %K A190847 nonn %O A190847 1,1 %A A190847 _Clark Kimberling_, May 26 2011