A008741 Putative number of uniform tight n-dimensional sphere packings (the next 2 numbers are believed to be infinity, 1 ).

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

Offset

0,4

References

J. H. Conway and N. J. A. Sloane, What are all the best sphere packings in low dimensions?, Discr. Comp. Geom., 13 (1995), 383-403, esp. p. 385.

Links

Table of n, a(n) for n=0..8.

Crossrefs

Sequence in context: A274883 A393443 A140946 * A381299 A369999 A110316

Adjacent sequences: A008738 A008739 A008740 * A008742 A008743 A008744

Keyword

nonn,hard

Author

N. J. A. Sloane

Status

approved