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 A038136 #19 Jan 02 2012 16:43:34 %S A038136 2,11,101,181,1181,1811,18181,108881,110881,118081,120121,121021, %T A038136 121151,150151,151051,151121,180181,180811,181081,188011,188801, %U A038136 1008001,1022201,1028011,1055501,1058011,1082801,1085801,1088081 %N A038136 Erroneous version of A134996. %K A038136 dead %O A038136 1,1