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 A190763 #4 Mar 30 2012 18:57:29 %S A190763 3,10,17,20,27,34,44,51,58,61,68,75,85,92,99,102,109,116,119,126,133, %T A190763 143,150,157,160,167,174,184,191,198,201,208,215,225,232,242,249,256, %U A190763 259,266,273,283,290,297,300,307,314,324,331,338,341,348,355,358,365,372,382,389,396,399,406,413,423,430,437,440,447,454,464,471 %N A190763 Positions of 0 in A190762. %C A190763 See A190762. %t A190763 (See A190762.) %Y A190763 Cf. A190762. %K A190763 nonn %O A190763 1,1 %A A190763 _Clark Kimberling_, May 19 2011