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 A135035 #3 Mar 30 2012 18:51:53 %S A135035 1,3,6,12,26,60,140,320,712,1552,3344,7168,15328,32704,69568,147456, %T A135035 311424,655616,1376512,2883584,6028800,12581888,26213376,54525952, %U A135035 113248256,234885120,486543360,1006632960,2080366592 %N A135035 Binomial transform of abs(A134967). %F A135035 O.g.f.: -(x-1)(2x^3-2x+1)/[(2x^2-2x+1)(2x-1)^2]. - _R. J. Mathar_, Apr 02 2008 %K A135035 nonn %O A135035 0,2 %A A135035 _Paul Curtz_, Feb 29 2008 %E A135035 More terms from _R. J. Mathar_, Apr 02 2008