A015696 Expansion of e.g.f. theta_3^(-23/2).

1, -23, 575, -15525, 449673, -13887975, 454991175, -15742117125, 573015200625, -21871632491415, 872889859083375, -36333045693685125, 1573742270610365625, -70792055252958414375, 3301204645547137704375, -159327445416522130873125

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..418

Mathematica

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

Crossrefs

Sequence in context: A231261 A242358 A043347 * A106538 A203102 A362482

Adjacent sequences: A015693 A015694 A015695 * A015697 A015698 A015699

Keyword

sign

Author

N. J. A. Sloane

Status

approved