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 A111758 #7 Dec 12 2014 19:23:29 %S A111758 1,1,1,3,4,12,24,74,193,635,1990,6933,24144,88203,326053,1234735, %T A111758 4732762,18403211,72282202,286705378 %N A111758 Number of bipartite connected outerplanar graphs on n unlabeled nodes. %H A111758 M. Bordirsky, É. Fusy, M. Kang and S. Vigerske, <a href="http://www.arXiv.org/abs/math.CO/0511422">Enumeration of Unlabeled Outerplanar Graphs</a>, 2005 %H A111758 S. Vigerske, <a href="http://www.informatik.hu-berlin.de/Forschung_Lehre/algorithmen/en/forschung/planar/vigerske.html">Asymptotic enumeration of unlabeled outerplanar graphs, Diploma thesis</a>, Humboldt University Berlin, 2005 %H A111758 S. Vigerske, <a href="http://www.math.hu-berlin.de/~stefan">Homepage</a> %Y A111758 Cf. A111563. %K A111758 nonn %O A111758 1,4 %A A111758 Stefan Vigerske, Nov 21 2005