A005102 - OEIS

A005102

Minimal determinant of any n-dimensional norm 2 lattice.
(Formerly M0445)

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

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OFFSET

0,2

REFERENCES

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 180.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=0..70.

CROSSREFS

Sequence in context: A109870 A364368 A171502 * A030241 A062750 A368420

Adjacent sequences: A005099 A005100 A005101 * A005103 A005104 A005105

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved