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 A038628 #5 Jan 09 2009 03:00:00 %S A038628 49,169,1225,1444,1681,3249,4225,4900,15625,16900,42025,49729,64009 %N A038628 Erroneous version of A039686. %K A038628 dead %O A038628 1,1