OFFSET
1,6
COMMENTS
Table starts
.......1............1................1.................1.................1
.......0............0................0.................0.................0
.......2............8...............30...............146...............620
.......8..........104.............2408.............74416...........2603736
......48.........6440..........1477440.........456791920......161738440488
.....240.......312960........854084640.....3226910232000.14428651957822752
....1968.....36965712....1480836132576.84359520856820208
...13824...3615441408.2354482052331648
..140160.668391093888
.1263360
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..55
EXAMPLE
Some solutions for n=4 k=4
..0..3..3..3....1..1..1..2....2..1..0..1....1..2..1..1....2..2..1..0
..2..2..1..1....0..0..3..3....3..0..0..3....0..3..1..0....2..3..1..0
..2..0..1..1....0..2..2..1....2..1..1..2....2..3..0..2....3..3..1..0
..2..0..0..3....2..3..0..3....3..3..0..2....3..2..0..3....2..3..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 20 2015
STATUS
approved