A030241 Minimal determinant of any n-dimensional even lattice.

1, 2, 3, 4, 4, 4, 3, 2, 1, 2, 3, 4, 4, 4, 3, 2, 1, 2, 3, 4, 4, 4, 3, 2, 1, 2, 3, 4, 4, 4, 3, 2, 1, 2, 3, 4, 4, 4, 3, 2, 1, 2, 3, 4, 4, 4, 3, 2, 1, 2, 3, 4, 4, 4, 3, 2, 1, 2, 3, 4, 4, 4, 3, 2, 1, 2, 3, 4, 4, 4, 3, 2, 1, 2, 3, 4, 4, 4, 3, 2, 1, 2, 3, 4, 4, 4, 3, 2, 1, 2, 3, 4, 4, 4, 3, 2, 1, 2, 3

Offset

0,2

References

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

Links

Table of n, a(n) for n=0..98.

Crossrefs

Cf. A005102.

Sequence in context: A364368 A171502 A005102 * A062750 A368420 A193669

Adjacent sequences: A030238 A030239 A030240 * A030242 A030243 A030244

Keyword

nonn

Author

N. J. A. Sloane

Status

approved