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A022058 Theta series of D_27 lattice. 2
1, 1404, 280854, 19014840, 581257404, 9436118328, 93086496360, 638406025200, 3387901252374, 14765641285044, 55108831380408, 181434042582840, 538265644820280, 1464212332875816, 3696677780664960, 8759016189382896, 19620550996489404, 41872709357187696 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
REFERENCES
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 118.
LINKS
MATHEMATICA
terms = 15; f[q_] = LatticeData["D27", "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: A271712 A352239 A206680 * A107522 A158764 A035863
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Seiichi Manyama, Oct 16 2018
STATUS
approved

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Last modified April 21 01:36 EDT 2024. Contains 371850 sequences. (Running on oeis4.)