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 A094862 #1 Sep 22 2004 03:00:00 %S A094862 1,2,3,4,7,10,19,28,51 %N A094862 Same as A094858, except that we fix X = 123412341234... %K A094862 nonn,more %O A094862 1,2 %A A094862 Guenter Stertenbrink (Sterten(AT)aol.com), Jun 14 2004