OFFSET
6,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 6..1000
EXAMPLE
a(9) = 3: [6,2,1], [5,3,1], [4,3,2].
a(10) = 15: [5,4,1], [7,2,1], [6,3,1], [5,3,2], [4,1,3,2], [2,1,4,3], [4,3,1,2], [4,2,3,1], [2,4,3,1], [1,4,3,2], [3,1,4,2], [3,2,4,1], [3,4,2,1], [4,2,1,3], [3,2,1,4].
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Apr 27 2014
STATUS
approved