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 A130842 #3 Mar 30 2012 17:39:21 %S A130842 2,10,12,20,22,24,26,28,30,32,34,36,38,200,202,204,206,208,210,212, %T A130842 214,216,218,220,222,224,226,228,230,232,234,236,238,240,242,244,246, %U A130842 248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282 %N A130842 Positive even integers that start with the letter 't' . %F A130842 Equals A006092 INTERSECT A005843. - _R. J. Mathar_, Jul 22 2007 %K A130842 nonn,word %O A130842 1,1 %A A130842 Joohwan Lee (modularform(AT)yahoo.com), Jul 20 2007 %E A130842 Corrected and extended by _R. J. Mathar_, Jul 22 2007