%I #4 Mar 30 2012 17:39:08
%S 1,3,6,11,19,29,42,58,81,113,157,213,289,391,523,697,924,1220,1603,
%T 2108,2787,3679,4830,6346,8334,10936,14336,18746,24505,32024,41833,
%U 54643,71353,93111,121467,158422,206611,269416,351219,457866,596954,778255
%N Partial sums of A004977.
%e a(4)=1+(1+1)+(2+1)+(1+2+1+1)=11
%Y Cf. A005150.
%K easy,nonn,base
%O 1,2
%A Philippe LALLOUET (philip.lallouet(AT)wanadoo.fr), Apr 11 2007
%E Edited and extended by _R. J. Mathar_, Jan 23 2008