OFFSET
4,2
REFERENCES
See under A081314.
LINKS
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
KEYWORD
nonn,hard,more
AUTHOR
Hugo Pfoertner, Mar 19 2003
STATUS
approved