%I #10 Oct 23 2018 07:19:23

%S 1,11,99,693,3729,22275,259875,2900205,19490625,161008155,3451399875,

%T 48646261125,433937559825,6657275099475,145157601463875,

%U 2607210889408125,38347348433018625,476849547788488875

%N Expansion of e.g.f. theta_3^(11/2).

%D J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 102.

%H Seiichi Manyama, <a href="/A015671/b015671.txt">Table of n, a(n) for n = 0..447</a>

%t nmax = 25; CoefficientList[Series[EllipticTheta[3, 0, x]^(11/2), {x, 0, nmax}], x] * Range[0, nmax]! (* _Vaclav Kotesovec_, Oct 23 2018 *)

%K nonn

%O 0,2

%A _N. J. A. Sloane_