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 A084982 #2 May 11 2007 03:00:00 %S A084982 1,2,3,4,5,6,7,8,9,11,22,33,44,55,66,77,88,99,101,111,121,131,151,181 %N A084982 Erroneous version of A062687. %K A084982 dead %O A084982 1,2