OFFSET
1,9
COMMENTS
Table starts
...1.......1............1.................1................1..............1
...0.......0............0.................0................0..............0
...1.......4...........17................66..............324...........1565
...2......39..........999.............31501..........1115170.......41983402
...9....1281.......328701.........104767812......37478933496.14445711101455
..44...67240....200359723......781538349425.3543965467781564
.265.5126572.215846101578.12529121512138533
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..60
EXAMPLE
Some solutions for n=4, k=4
..0..0..2..3....0..1..3..1....0..2..0..3....0..3..0..1....0..2..0..2
..2..3..1..1....3..1..1..3....2..0..3..1....0..2..3..3....0..1..2..0
..1..2..3..1....2..3..0..2....2..0..2..3....0..1..1..2....3..3..1..3
..0..0..2..3....0..2..0..2....1..3..1..1....2..1..3..2....3..1..1..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 04 2016
STATUS
approved