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Partial sums of A001372.
1

%I #8 Sep 29 2021 10:49:52

%S 1,2,5,12,31,78,208,551,1502,4117,11435,31926,89829,253727,719926,

%T 2048919,5848543,16732592,47973762,137788720,396393362,1141962118,

%U 3294080424,9512949813,27501182865,79579492065,230478715333

%N Partial sums of A001372.

%F a(n) = Sum_{i=0..n} A001372(i).

%Y Cf. A001372, A125024.

%K easy,nonn

%O 0,2

%A _Jonathan Vos Post_, Nov 15 2006

%E More terms from _R. J. Mathar_, Sep 23 2007