A080866 Number of equal shortest edges in the solutions of the Tammes' problem.

1, 3, 6, 6, 12, 12, 16, 18, 19, 25, 30, 24, 28

Offset

2,2

Comments

A conjectured continuation of the sequence starting with n=15 would be: 30 32 34 34 34 39 40 42 43 60 48 46 52 52 54 63 60 66 66 68 66 72 66 72 76 78 81 85 82 88 84 91 89 120 96 102.

In the visualization given at the link the shortest edges are those drawn as golden color rods.

References

See under A080865.

Links

Table of n, a(n) for n=2..14.

Hugo Pfoertner, Arrangement of points on a sphere. Visualization of the best known solutions of the Tammes' problem.

Hugo Pfoertner, Table of edge lengths.

Crossrefs

Cf. A080865.

Sequence in context: A279625 A012212 A232941 * A310131 A066393 A127777

Adjacent sequences: A080863 A080864 A080865 * A080867 A080868 A080869

Keyword

hard,nonn

Author

Hugo Pfoertner, Feb 21 2003

Status

approved