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 A101935 #4 May 11 2007 03:00:00 %S A101935 56,93,94,117,143,144,145,146,160,207,214,215,216,217,297,303,325,326 %N A101935 Duplicate of A101294. %K A101935 dead %O A101935 1,1