OFFSET
1,5
COMMENTS
Table starts
...0.......1...........1..............2................3.................6
...1.......3..........13.............65..............393..............2539
...1......13.........132...........2453............42420............794416
...2......65........2453.........125468..........6235011.........316561994
...3.....393.......42420........6235011........839006010......117380324984
...6....2539......794416......316561994.....117380324984....44832664800117
..11...16866....14511531....15958823113...16158623337745.16925667317073175
..23..113432...268456338...806680624447.2239304268913257
..47..766473..4940928443.40736752748774
.102.5188597.91146218920
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..83
EXAMPLE
Some solutions for n=3 k=3
..0..0..0....0..1..2....0..0..0....0..1..1....0..1..0....0..1..0....0..1..1
..0..1..1....0..1..2....1..1..2....0..2..2....0..1..0....0..1..0....0..1..2
..2..2..2....0..3..3....0..0..2....0..1..1....0..2..2....2..2..2....0..0..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Nov 03 2011
STATUS
approved