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 A118601 #6 May 01 2013 21:10:55 %S A118601 1,3,10,45,273,2510,34069,1703066 %N A118601 Partial sums of A058129. %F A118601 a(n) = SUM[i=1..n] A058129(i). a(n) = SUM[i=1..n] (2*A058133(i) - A058132(i)). %Y A118601 Cf. A001329, A001423, A001426, A023814, A027851, A029851, A058108, A058132, A058133, A063756, A079173, A118581. %K A118601 hard,nonn %O A118601 1,2 %A A118601 _Jonathan Vos Post_, May 08 2006 %E A118601 One more term from _Jonathan Vos Post_, Jul 20 2009 %E A118601 Edited by _N. J. A. Sloane_, Jul 25 2009