Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A097980
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A097980 Number of weakly eutactic lattices in dimension n. +0
1
1, 2, 5, 17, 127 (list; graph; listen)
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: A081546 A103511 A161609 this_sequence A074046 A123374 A067339

Adjacent sequences: A097977 A097978 A097979 this_sequence A097981 A097982 A097983

KEYWORD

nonn,hard

AUTHOR

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

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


AT&T Labs Research