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%I #11 Oct 23 2018 07:16:51
%S 1,25,575,12075,230025,3969225,62850375,953260875,14929952625,
%T 254408009625,4570418955375,82108573036875,1505493410045625,
%U 30038848390175625,641671899357864375,13683270472813816875
%N Expansion of e.g.f. theta_3^(25/2).
%D J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 102.
%H Seiichi Manyama, <a href="/A015679/b015679.txt">Table of n, a(n) for n = 0..444</a>
%t nmax = 25; CoefficientList[Series[EllipticTheta[3, 0, x]^(25/2), {x, 0, nmax}], x] * Range[0, nmax]! (* _Vaclav Kotesovec_, Oct 23 2018 *)
%K nonn
%O 0,2
%A _N. J. A. Sloane_