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 A244026 #5 Jun 20 2014 13:48:29 %S A244026 5,10,20,85,2100 %N A244026 Analog of A140468, but starting with 5 points, and with the constraint that new points (or lines) are formed only from the intersections of lines (or points) of the same generation. %H A244026 Shalosh B. Ekhad, Doron Zeilberger, <a href="http://arxiv.org/abs/1406.5157">Enumerative Geometrical Genealogy (Or: The Sex Life of Points and Lines)</a>, arXiv:1406.5157 [math.CO], (19-June-2014) %Y A244026 Related sequences: A140468, A244020-A244026. %K A244026 nonn,more %O A244026 1,1 %A A244026 _N. J. A. Sloane_, Jun 20 2014