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A008432 Theta series of D_10 lattice. 3
1, 180, 3380, 16320, 52020, 129064, 262080, 489600, 840500, 1330420, 2050344, 2986560, 4194240, 5878440, 7862400, 10216320, 13415220, 17163880, 21250420, 26585280, 32826664, 39475200, 47960640, 57087360, 67108800, 80452188, 93590440, 107091840, 125827200, 145415080 (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 = 23; s = 1/2 (EllipticTheta[3, 0, q]^10 + EllipticTheta[4, 0, q]^10) + O[q]^(2 terms); CoefficientList[s, q^2] (* Jean-François Alcover, Jul 07 2017 *)
CROSSREFS
Sequence in context: A179721 A112068 A058835 * A289318 A250146 A243465
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
More terms from Seiichi Manyama, Oct 16 2018
STATUS
approved

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Last modified March 2 21:56 EST 2024. Contains 370498 sequences. (Running on oeis4.)