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 A048912 #6 May 11 2007 03:00:00 %S A048912 1,9,1089,8281,978121,7436529,878351769,6677994961,788758910641 %N A048912 Duplicate of A036411. %K A048912 dead %O A048912 1,2