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A022042
Theta series of D_11 lattice.
3
1, 220, 5302, 33528, 116380, 339064, 719400, 1538416, 2624182, 4763220, 7217144, 11676280, 16317048, 25022184, 32503680, 47430768, 59759260, 82927856, 101189550, 137904360, 161928184, 215389680, 250679288, 323294576, 369052200, 474160324, 527004280, 668075232, 742047856
OFFSET
0,2
REFERENCES
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 118.
LINKS
MATHEMATICA
terms = 22; s = 1/2 (EllipticTheta[3, 0, q]^11 + EllipticTheta[4, 0, q]^11) + O[q]^(2 terms); CoefficientList[s, q^2] (* Jean-François Alcover, Jul 07 2017, after LatticeData(D11) *)
CROSSREFS
Sequence in context: A027797 A055663 A333139 * A095702 A271674 A107506
KEYWORD
nonn
EXTENSIONS
More terms from Seiichi Manyama, Oct 16 2018
STATUS
approved