A118601 Partial sums of A058129.

1, 3, 10, 45, 273, 2510, 34069, 1703066

Offset: 1

Author

Jonathan Vos Post, May 08 2006

Keywords

• hard
• nonn

Crossrefs

Cf. A001329, A001423, A001426, A023814, A027851, A029851, A058108, A058132, A058133, A063756, A079173, A118581.

Formula

a(n) = SUM[i=1..n] A058129(i). a(n) = SUM[i=1..n] (2*A058133(i) - A058132(i)).

Extensions

One more term from Jonathan Vos Post, Jul 20 2009

Edited by N. J. A. Sloane, Jul 25 2009