OFFSET
1,6
COMMENTS
Table starts
...1.......1............1.................1................1..............1
...1.......0............0.................0................0..............0
...2.......2............6................31..............141............550
...6......44.........1129.............30637...........775567.......21970109
..24....1949.......437427.........109852687......31745527110.10164842993183
.120..119544....310439601.....1011979038956.3899321211077068
.720.9966710.368078731163.18398910840846332
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..60
EXAMPLE
Some solutions for n=4 k=4
..0..0..2..2....0..2..1..0....0..2..0..0....0..3..3..1....0..0..3..2
..1..3..3..1....3..3..1..1....3..1..1..1....3..1..1..0....1..3..3..2
..1..3..2..2....3..2..1..0....3..3..1..0....2..2..0..0....1..1..3..1
..0..0..3..1....0..3..2..2....3..2..2..2....3..2..2..1....2..0..2..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 10 2016
STATUS
approved