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 A081081 #2 Sep 22 2004 03:00:00 %S A081081 2,0,2,6,22,330,3194,65142,1502134 %N A081081 Number of labeled, connected ortho-projection graphs on n vertices. %D A081081 B. Shtylla and L. Zulli, Ortho-projection graphs, in preparation. %H A081081 L. Zulli, <a href="http://www.cs.lafayette.edu/~zullil/">Home Page</a> %Y A081081 Cf. A081080, A081082. %K A081081 hard,more,nonn %O A081081 1,1 %A A081081 B. Shtylla and L. Zulli (shtyllab(AT)lafayette.edu, zullil(AT)lafayette.edu), Mar 05 2003 %E A081081 a(9) from Louis Zulli (zullil(AT)lafayette.edu), Aug 23 2004