OFFSET
1,12
COMMENTS
Table starts
.0....0....0........0........0........0.......0.........0.....0...0.0
.0....1....1........3........5.......12......26........60...143.353
.0....0....0........8.......32......238....1488......9778.91628
.0....6....6......672.....4734...177048.4131792.132137160
.0....0....0.....5760...218880.59028840
.0..120..120..1411560.97608120
.0....0....0.25024320
.0.5040.5040
.0....0
.0
EXAMPLE
Some solutions for n=4 k=4
..0..3..3..2....0..3..2..3....0..2..3..3....0..3..2..0....0..2..2..3
..3..0..2..3....3..0..3..2....2..0..3..3....3..0..0..2....2..0..3..2
..1..2..0..1....2..0..1..1....1..0..1..2....1..1..3..2....0..3..1..1
..2..1..1..0....0..2..1..1....0..1..2..1....1..1..2..3....3..0..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 27 2016
STATUS
approved