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 A190712 #4 Mar 30 2012 18:57:29 %S A190712 6,10,14,17,21,25,29,32,36,40,44,47,51,55,62,66,70,73,77,81,85,88,92, %T A190712 96,100,103,107,111,118,122,126,129,133,137,141,144,148,152,159,163, %U A190712 167,170,174,178,182,185,189,193,197,200,204,208,215,219,223,226,230,234,238,241,245,249,253,256,260,264,271,275,279,282,286,290 %N A190712 Positions of 1 in A190710. %C A190712 See A190710. %t A190712 (See A190710.) %Y A190712 (Cf. A190710.) %K A190712 nonn %O A190712 1,1 %A A190712 _Clark Kimberling_, May 17 2011