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A097584 Number of well-rounded minimal classes of lattices in dimension n. 0
1, 2, 5, 18, 136 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

J. Martinet, Les reseaux parfaits des espaces Euclidiens, Masson, Paris, 1996.

J. Martinet, Perfect Lattices in Euclidean Spaces, Springer-Verlag, NY, 2003.

G. Nebe, Review of J. Martinet, Perfect Lattices in Euclidean Spaces, Bull. Amer. Math. Soc., 41 (No. 4, 2004), 529-533.

CROSSREFS

Sequence in context: A058338 A006896 A125625 * A197855 A062097 A125765

Adjacent sequences:  A097581 A097582 A097583 * A097585 A097586 A097587

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Sep 22 2004

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Last modified February 16 09:27 EST 2012. Contains 205904 sequences.