A028923 Kissing number of n-dimensional lattice Kappa_n.

0, 2, 6, 12, 24, 40, 72, 92, 132, 180, 276, 432, 756, 918, 1232, 1746, 3290, 4266

Offset

0,2

References

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 161.

Links

Table of n, a(n) for n=0..17.

G. Nebe and N. J. A. Sloane, Table of highest kissing numbers known

Formula

a(n) >= A001116(n). - Charles R Greathouse IV, Mar 25 2022

Crossrefs

Cf. A001116, A002336, A257479.

Sequence in context: A262986 A307559 A211978 * A187272 A001116 A002336

Adjacent sequences: A028920 A028921 A028922 * A028924 A028925 A028926

Keyword

nonn,nice

Author

N. J. A. Sloane

Status

approved