A023923 Theta series of A*_11 lattice.

1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 0, 132, 0, 0, 0, 132, 0, 0, 440, 0, 0, 0, 0, 990, 0, 0, 2904, 924, 0, 0, 0, 0, 0, 0, 0, 3984, 0, 0, 0, 2970, 0, 0, 8184, 0, 0, 0, 0, 12408, 0, 0, 31152, 7920, 0, 0, 0, 0, 0, 0, 0, 30360, 0, 0, 0, 19800, 0, 0, 45144, 0

Offset

0,12

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..76.

G. Nebe and N. J. A. Sloane, Home page for this lattice

Crossrefs

Sequence in context: A376896 A053558 A140793 * A267334 A202184 A368027

Adjacent sequences: A023920 A023921 A023922 * A023924 A023925 A023926

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved