%I #4 Sep 28 2020 02:58:47
%S 1,2,4,8,19,52,194,1016,7982,87835,1228751,19909759
%N Partial sums of A005470.
%F a(n) = Sum_{i=0..n} A005470(i).
%Y Cf. A005470.
%K hard,nonn
%O 0,2
%A _Jonathan Vos Post_, Feb 16 2010
