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A081366 Number of distinct edge lengths in the convex hull of the maximal volume arrangements of n points on a sphere. 5
1, 2, 1, 2, 3, 3, 3, 8, 1, 11, 3, 5, 3, 14, 8, 25, 9, 29, 16, 11, 18, 34, 37, 6 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,2

REFERENCES

See under A081314.

LINKS

Table of n, a(n) for n=4..27.

Hugo Pfoertner, Maximal Volume Arrangements: List of edges.

EXAMPLE

a(8)=3 because the corresponding arrangement has 6 edges of length 1.1383499, 8 edges of length 1.264911.. and 4 edges of length 1.4554505, i.e. 3 distinct edge lengths.

CROSSREFS

Symmetry groups of maximal volume arrangements: A081314. Distinct distances for minimal energy configurations: A033177.

Sequence in context: A161294 A161269 A100405 * A129636 A242443 A214154

Adjacent sequences:  A081363 A081364 A081365 * A081367 A081368 A081369

KEYWORD

nonn,hard,more

AUTHOR

Hugo Pfoertner, Mar 19 2003

STATUS

approved

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Last modified June 21 04:10 EDT 2021. Contains 345354 sequences. (Running on oeis4.)