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 A039747 #2 May 16 2003 03:00:00 %S A039747 1,1,2,11,172,8603,1478644 %N A039747 Erroneous version of A003088. %D A039747 F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973, p. 218. %K A039747 dead %O A039747 0,3