A022063 Theta series of D_32 lattice.

1, 1984, 575424, 58115328, 2724906944, 69079796864, 1054968628480, 10706472186368, 79395777333184, 464573878394560, 2256126097001600, 9423431444080384, 34759556728866048, 115474354635222656, 350982387781513728, 987881573708613120, 2601123015997179840, 6457558989366956928

Offset

0,2

References

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 118.

Links

Seiichi Manyama, Table of n, a(n) for n = 0..10000

Mathematica

terms = 14; f[q_] = LatticeData["D32", "ThetaSeriesFunction"][-I*Log[q]/Pi]; s = f[q] + O[q]^(2 terms); DeleteCases[CoefficientList[s, q], 0][[1 ;; terms]] (* Jean-François Alcover, Jul 06 2017 *)

Crossrefs

Sequence in context: A252693 A166876 A028238 * A107527 A034228 A028516

Adjacent sequences: A022060 A022061 A022062 * A022064 A022065 A022066

Keyword

nonn

Author

N. J. A. Sloane

Extensions

More terms from Seiichi Manyama, Oct 16 2018

Status

approved