OFFSET
0,11
COMMENTS
The standard order of compositions is given by A066099.
The k-th term of the composition is the number of objects at height k; in particular, the first term is the number of trees.
EXAMPLE
Composition number 11 is 2,1,1; there is only 1 forest associated with this (shown below), so a(11) = 1.
O..
|..
O..
|..
O.O
The table starts:
1
1
1 1
1 1 1 1
1 1 2 1 1 1 1 1
CROSSREFS
KEYWORD
more,nonn,tabf
AUTHOR
Franklin T. Adams-Watters, Nov 06 2006
STATUS
approved