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 A093452 #3 Jan 09 2009 03:00:00 %S A093452 2,3,4,6,7,8,10,15,21,24,36,49,51,86,116,134,176,284,345,498,544,649 %N A093452 Duplicate of A082103. %K A093452 dead %O A093452 1,1