A028924 Maximal number of pairs of minimal vectors in n-dimensional laminated lattice.

0, 1, 3, 6, 12, 20, 36, 63, 120, 136, 168, 219, 324, 453, 711, 1170, 2160, 2673, 3699, 5334, 8700, 13860, 24948, 46575, 98280, 98328, 98424, 98571, 98868, 99253, 100023, 101346, 104160

Offset: 0

Author

N. J. A. Sloane and J. H. Conway

Keywords

• nonn
• hard
• more

References

• J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 174.

Crossrefs

A002336 / 2.

Extensions

Entry for n=31 corrected by C. Muses.