login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A015682 Expansion of e.g.f. theta_3^(-3/2). 3

%I #11 Oct 23 2018 06:52:45

%S 1,-3,15,-105,873,-8595,97335,-1233225,17298225,-266220675,4444840575,

%T -79989057225,1543271585625,-31735822993875,692766164665575,

%U -15995714865755625,389241925213766625,-9954282875453791875

%N Expansion of e.g.f. theta_3^(-3/2).

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

%H Seiichi Manyama, <a href="/A015682/b015682.txt">Table of n, a(n) for n = 0..438</a>

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

%Y Cf. A015665.

%K sign

%O 0,2

%A _N. J. A. Sloane_

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 05:01 EDT 2024. Contains 371235 sequences. (Running on oeis4.)