A015676 Expansion of e.g.f. theta_3^(19/2).

1, 19, 323, 4845, 63441, 731595, 7979715, 96556005, 1388717505, 20396897955, 278955792675, 4129174820925, 75420709974225, 1390870436830875, 23182616315333475, 431959271726107125

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn

References

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

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..445

Programs

Mathematica

nmax = 25; CoefficientList[Series[EllipticTheta[3, 0, x]^(19/2), {x, 0, nmax}], x] * Range[0, nmax]! (* Vaclav Kotesovec, Oct 23 2018 *)