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A001116 Maximal kissing number of n-dimensional lattice.
(Formerly M1585 N0617)
+0
4
0, 2, 6, 12, 24, 40, 72, 126, 240, 272 (list; graph; listen)
OFFSET

0,2

REFERENCES

N. J. A. Sloane, Seven Staggering Sequences, in Homage to a Pied Puzzler, E. Pegg Jr., A. H. Schoen and T. Rodgers (editors), A. K. Peters, Wellesley, MA, 2009, pp. 93-110.

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 15.

LINKS

N. J. A. Sloane, My favorite integer sequences, in Sequences and their Applications (Proceedings of SETA '98).

G. Nebe and N. J. A. Sloane, Table of highest kissing numbers known

N. J. A. Sloane, Seven Staggering Sequences.

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

CROSSREFS

Cf. A002336, A028923.

Adjacent sequences: A001113 A001114 A001115 this_sequence A001117 A001118 A001119

Sequence in context: A011778 A067718 A028923 this_sequence A002336 A030625 A029929

KEYWORD

nonn,nice,hard

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

Lower bounds for the next 4 terms are 336,438,756,918

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Last modified July 4 09:27 EDT 2009. Contains 160562 sequences.


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