OFFSET
1,1
COMMENTS
Table starts
........6640.........122260.........4995424.......102708184.........3094685248
......122260.......33108928......1971669364....518886911776.....28826088968548
.....4995424.....1971669364...2405641138384.924622251445704.724045977072915424
...102708184...518886911776.924622251445704
..3094685248.28826088968548
.66258357796
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..24
EXAMPLE
Some solutions for n=1 k=4
..0..0..0..0..1..0....0..0..0..0..0..0....0..0..1..1..3..3....0..0..0..3..3..0
..1..0..0..3..0..3....0..0..2..1..0..0....1..1..1..2..0..1....0..1..1..0..0..0
..0..0..1..0..0..0....0..1..0..0..1..2....1..1..1..0..1..0....1..0..0..0..0..3
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 13 2014
STATUS
approved