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 A243708 #10 Aug 29 2015 04:17:51 %S A243708 0,6,9,25,1741 %N A243708 Bisection A140468(2n). %H A243708 Joshua Cooper, Mark Walters, <a href="http://arxiv.org/abs/0807.1549">Iterated point-line configurations grow doubly-exponentially</a>, Discrete Comput. Geom. 43 (2010), no. 3, 554-562. MR2587837 (2011f:51016) 51M04 (52C35). %Y A243708 Cf. A140468, A243707. %K A243708 nonn,more %O A243708 0,2 %A A243708 _N. J. A. Sloane_ and _Doron Zeilberger_, Jun 17 2014