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A029756 Smallest dimension in which a strictly odd unimodular lattice of minimal norm n occurs. 0
1, 12, 23, 32, 48 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

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

LINKS

Table of n, a(n) for n=0..4.

CROSSREFS

Sequence in context: A114455 A048992 A088783 * A104340 A136414 A017401

Adjacent sequences:  A029753 A029754 A029755 * A029757 A029758 A029759

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified November 18 22:50 EST 2019. Contains 329305 sequences. (Running on oeis4.)