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 A190765 #4 Mar 30 2012 18:57:29 %S A190765 1,4,7,8,11,14,18,21,24,25,28,31,35,38,41,42,45,48,49,52,55,59,62,65, %T A190765 66,69,72,76,79,82,83,86,89,93,96,100,103,106,107,110,113,117,120,123, %U A190765 124,127,130,134,137,140,141,144,147,148,151,154,158,161,164,165,168,171,175,178,181,182,185,188,192,195,199,202,205,206,209 %N A190765 Positions of 2 in A190762. %C A190765 See A190762. %t A190765 (See A190762.) %Y A190765 Cf. A190762. %K A190765 nonn %O A190765 1,2 %A A190765 _Clark Kimberling_, May 19 2011