%I #4 May 19 2018 12:00:07
%S 1,3,9,30,102,361,1308,4819,17970,67614,256156,975742,3733255,
%T 14336290,55224880,213298817,825741010,3203142338,12447523904,
%U 48448301960,188838707898,736985826174,2879588370517,11263139964066,44096779183060,172797721166402
%N Convolution of number of partitions into distinct parts and central binomial coefficients.
%F a(n) ~ QPochhammer[-1, 1/4] * 2^(2*n-1) / sqrt(Pi*n).
%t Table[Sum[PartitionsQ[n-k]*Binomial[2*k, k], {k, 0, n}], {n, 0, 25}]
%Y Cf. A000009, A000984, A292617, A304824.
%K nonn
%O 0,2
%A _Vaclav Kotesovec_, May 19 2018
|