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A076868 a(n) = smallest m such that a spherical n-design with m points exists in three dimensions. +0
4
1, 2, 4, 6, 12, 12, 24, 24, 36, 48, 60, 70 (list; graph; listen)
OFFSET

0,2

COMMENT

Most of these values are just conjectures.

LINKS

R. H. Hardin and N. J. A. Sloane, McLaren's Improved Snub Cube and Other New Spherical Designs in Three Dimensions, Discrete Comp. Geom., 15 (1996), 429-441 (Abstract)

CROSSREFS

Cf. A007828, A076869, A076870.

Sequence in context: A056675 A062857 A061799 this_sequence A056793 A137387 A137394

Adjacent sequences: A076865 A076866 A076867 this_sequence A076869 A076870 A076871

KEYWORD

nonn,nice

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Nov 25 2002

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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