OFFSET
1,1
COMMENTS
Table starts
.....3.......6.........18..........45..........141..........386...........1191
.....6......20........120.........536.........3378........17362.........108534
....18.....120.......2160.......24120.......476298......6701732......129263994
....45.....536......24120......570915.....28942155....932439860....46018580355
...141....3378.....476298....28942155...4832534313.441127163210.70296226768557
...386...17362....6701732...932439860.441127163210
..1191..108534..129263994.46018580355
..3402..597935.2034174870
.10446.3721248
.30294
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..60
EXAMPLE
Some solutions for n=3 k=4
..0..2..0..1....0..1..0..2....0..1..0..1....0..0..1..2....0..0..0..2
..0..1..1..0....1..1..1..2....1..0..1..1....0..0..2..0....1..2..2..1
..1..2..0..2....1..2..0..2....0..2..0..2....1..0..1..2....2..0..2..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 12 2013
STATUS
approved