A033731 Expansion of Product_{d | 19} theta_3(q^d).

1, 2, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2, 4, 0, 0, 4, 0, 2, 0, 0, 4, 0, 0, 0, 0, 0, 0, 4, 2, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 2, 4, 0, 0, 4

Offset

0,2

References

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p 102 eq 9.

Links

Seiichi Manyama, Table of n, a(n) for n = 0..10000

Crossrefs

Sequence in context: A260676 A033741 A033735 * A033729 A318984 A227395

Adjacent sequences: A033728 A033729 A033730 * A033732 A033733 A033734

Keyword

nonn

Author

N. J. A. Sloane

Status

approved