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 A088058 #4 May 11 2007 03:00:00 %S A088058 1,15,66,190,435,861,1540,2556,4005,5995,8646,12090,16471,21945 %N A088058 Duplicate of A062392. %K A088058 dead %O A088058 1,2