A015679 Expansion of e.g.f. theta_3^(25/2).

1, 25, 575, 12075, 230025, 3969225, 62850375, 953260875, 14929952625, 254408009625, 4570418955375, 82108573036875, 1505493410045625, 30038848390175625, 641671899357864375, 13683270472813816875

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..444

Mathematica

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

Crossrefs

Sequence in context: A083191 A226299 A264378 * A230454 A014909 A239822

Adjacent sequences: A015676 A015677 A015678 * A015680 A015681 A015682

Keyword

nonn

Author

N. J. A. Sloane

Status

approved