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 A204186 #16 Mar 30 2012 16:52:08 %S A204186 0,0,1,2,10,53,376,3379,37408,485680,7150241,116726073,2085446355 %N A204186 Number of trivalent connected (or cubic) graphs with 2n nodes that are not planar. %H A204186 F. C. Bussemaker, S. Cobeljic, L. M. Cvetkovic and J. J. Seidel, <a href="http://alexandria.tue.nl/repository/books/252909.pdf">Computer investigations of cubic graphs</a>, T.H.-Report 76-WSK-01, Technological University Eindhoven, Dept. Mathematics, 1976. %Y A204186 Equals A002851 - A005964. %K A204186 nonn,more %O A204186 1,4 %A A204186 _N. J. A. Sloane_, Jan 12 2012