OFFSET
1,1
COMMENTS
Table starts:
.......14...........121..............1085..................9729
......121..........3232.............86392...............2309200
.....1085.........86392...........6885875.............548812835
.....9729.......2309200.........548812835..........130424683977
....87238......61723264.......43740991174........30995204476194
...782246....1649819344.....3486207195767......7365962082764193
..7014246...44098506880...277854703424333...1750509332449744133
.62895364.1178721971776.22145337882995800.416005797001053603530
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..179
EXAMPLE
Some solutions for n=4, k=3:
..0..0..0..0....0..0..1..1....0..1..0..1....0..1..0..0....0..1..0..2
..1..0..0..1....1..1..1..0....2..2..1..0....1..1..1..0....1..2..2..1
..2..1..0..0....1..2..1..2....1..1..0..0....2..1..2..2....1..0..1..1
..2..0..0..0....0..1..2..1....2..0..0..0....2..0..2..1....0..0..2..0
..2..0..0..1....2..0..0..1....0..1..1..0....1..1..1..0....0..2..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 10 2012
STATUS
approved