A028925 Maximal number of pairs of minimal vectors in an n-dimensional lattice.

0, 1, 3, 6, 12, 20, 36, 63, 120, 136

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• hard
• more

References

• J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 15.

Crossrefs

A001116 / 2.