A023925 Theta series of A*_13 lattice.

1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 182, 0, 0, 0, 182, 0, 0, 0, 0, 728, 0, 0, 0, 0, 0, 0, 2002, 2184, 0, 0, 0, 4004, 0, 0, 6006, 3432, 0, 0, 8036, 0, 0, 0, 6006, 0, 0, 0, 0, 20384, 0, 0, 0, 0, 0, 0, 38220, 40404, 0, 0, 0, 56056, 0, 0

Offset

0,14

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..75.

Crossrefs

Sequence in context: A295189 A365482 A243105 * A022067 A284454 A040790

Adjacent sequences: A023922 A023923 A023924 * A023926 A023927 A023928

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved