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A023931 Theta series of A*_19 lattice. 0
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 380, 0, 0, 0, 380, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2280, 0, 0, 0, 0, 0, 0, 0, 6840, 0, 0, 0, 0, 9690, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 31008, 38800, 0, 0, 0, 29070 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,20

REFERENCES

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 114.

LINKS

Table of n, a(n) for n=0..80.

CROSSREFS

Sequence in context: A268422 A112950 A173364 * A067159 A292152 A331907

Adjacent sequences:  A023928 A023929 A023930 * A023932 A023933 A023934

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified June 12 14:45 EDT 2021. Contains 344957 sequences. (Running on oeis4.)