A076870 a(n) = smallest m such that a spherical n-design with m points exists in four dimensions.

1, 2, 5, 8, 20, 24, 42, 48, 96

Offset

0,2

Comments

Most of these values are just conjectures.

References

R. H. Hardin and N. J. A. Sloane, in preparation.

Links

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

Crossrefs

Cf. A076869, A007828, A076868.

Sequence in context: A277263 A055614 A243094 * A127281 A054774 A360771

Adjacent sequences: A076867 A076868 A076869 * A076871 A076872 A076873

Keyword

nonn,nice

Author

N. J. A. Sloane, Nov 25 2002

Status

approved