OFFSET
0,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..1000
EXAMPLE
The a(8) = 27 such compositions are:
01: [ 1 1 1 1 1 1 1 1 ]
02: [ 1 1 1 1 1 1 2 ]
03: [ 1 1 1 1 1 2 1 ]
04: [ 1 1 1 1 2 1 1 ]
05: [ 1 1 1 1 2 2 ]
06: [ 1 1 1 2 1 1 1 ]
07: [ 1 1 1 2 2 1 ]
08: [ 1 1 1 2 3 ]
09: [ 1 1 2 1 1 1 1 ]
10: [ 1 1 2 2 1 1 ]
11: [ 1 1 2 2 2 ]
12: [ 1 2 1 1 1 1 1 ]
13: [ 1 2 2 1 1 1 ]
14: [ 1 2 2 2 1 ]
15: [ 1 2 2 3 ]
16: [ 1 2 3 2 ]
17: [ 2 1 1 1 1 1 1 ]
18: [ 2 2 1 1 1 1 ]
19: [ 2 2 2 1 1 ]
20: [ 2 2 2 2 ]
21: [ 2 3 2 1 ]
22: [ 2 3 3 ]
23: [ 3 2 1 1 1 ]
24: [ 3 2 2 1 ]
25: [ 3 3 2 ]
26: [ 4 4 ]
27: [ 8 ]
CROSSREFS
KEYWORD
nonn
AUTHOR
Joerg Arndt, Mar 21 2014
STATUS
approved