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A023934 Theta series of A*_22 lattice. 0
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 46, 0, 0, 0, 0, 0, 0, 0, 0, 0, 506, 0, 506, 0, 0, 0, 0, 0, 0, 3542, 0, 0, 0, 10626, 0, 0, 0, 17710, 0, 0, 0, 0, 0, 70886, 67298, 53130, 0, 0, 0, 0, 201894, 0, 337502, 0, 0, 490314, 673992, 0, 0, 980628, 1221990, 0, 1634380, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,12
REFERENCES
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 114.
LINKS
Kok Seng Chua, The Root Lattice A*n and Ramanujan's Circular Summation of Theta Functions, Proc. Amer. Math. Soc. 130 (2002), 1-8.
CROSSREFS
Sequence in context: A145319 A089626 A110479 * A022076 A055766 A267319
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Jul 15 2020
STATUS
approved

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Last modified May 30 16:11 EDT 2024. Contains 372968 sequences. (Running on oeis4.)