Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #15 Dec 22 2024 16:25:03
%S 1,2,2,3,2,3,1,2,0,2,0,4,2,7,5,10,6,11,5,10,3,10,3,13,6,19,11,25,14,
%T 29,14,30,12,31,12,36,16,45,23,56,30,65,33,71,34,76,35,84,40,97,48,
%U 113,58,129,66,144,71,157,76,172,83,192
%N Row sums of triangle A339885.
%F a(n) = Sum_{m=1..n} A339885(n, m), for n >= 1.
%F G.f.: -1 + 1/Product_{j>=1} (1 - (A057077(j-1)*x)^(A001318(j))).
%Y Cf. A001318, A057077, A339885.
%K nonn,easy
%O 1,2
%A _Wolfdieter Lang_, Feb 15 2021