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

0,2

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

Mathematica

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

Crossrefs

Sequence in context: A137352 A027541 A143699 * A098304 A014900 A121324

Adjacent sequences: A015673 A015674 A015675 * A015677 A015678 A015679

Keyword

nonn

Author

N. J. A. Sloane

Status

approved