A076869 Largest t such that a spherical t-design with n points exists in four dimensions.

0, 1, 1, 1, 2, 2, 2, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 4, 4, 4, 5, 4, 5, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6

Offset

1,5

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=1..42.

Crossrefs

Cf. A076870, A007828, A076868.

Sequence in context: A248596 A076984 A079085 * A335925 A104307 A264029

Adjacent sequences: A076866 A076867 A076868 * A076870 A076871 A076872

Keyword

nonn,nice

Author

N. J. A. Sloane, Nov 25 2002

Status

approved