OFFSET
1,1
COMMENTS
Table starts
.4..........0.............0...............0...............0...............0
.0........212..........2256...........36302..........455904.........6471572
.0.......2256........125664.........8579208.......436075392.....25670781880
.0......36302.......8579208......3084748094....690124074740.194406198823968
.0.....455904.....436075392....690124074740.593420786763904
.0....6471572...25670781880.194406198823968
.0...84040156.1318401732192
.0.1156716696
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..49
EXAMPLE
Some solutions for n=3 k=4
..2..0..0..0....0..2..0..1....2..0..0..0....1..0..2..1....0..2..2..1
..1..2..0..2....0..0..0..3....2..0..0..2....1..0..2..2....3..2..2..2
..1..0..2..0....2..2..2..1....2..2..0..2....2..2..2..2....0..0..2..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 10 2013
STATUS
approved