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 A007848 #6 Apr 05 2015 02:07:39 %S A007848 2,2,8,88,2704,234688,69640192,85682904704 %N A007848 Number of skew hyperplanes spanned by the vertices of an n-cube. %D A007848 O. Aichholzer, F. Aurenhammer, Classifying Hyperplanes in Hypercubes, 10th European Workshop on Computational Geometry, Santander, Spain, March 1994. %H A007848 O. Aichholzer and F. Aurenhammer, <a href="http://dx.doi.org/10.1137/S089548019426348X">Classifying hyperplanes in hypercubes</a>, SIAM J. Discrete Math, Vol. 9, 1996, 225-232. DOI: 10.1137/S089548019426348X %K A007848 nonn,hard %O A007848 1,1 %A A007848 Oswin Aichholzer (oaich(AT)igi.tu-graz.ac.at) %E A007848 Edited by _M. F. Hasler_, Apr 05 2015