OFFSET
1,1
COMMENTS
Table starts
.....3.........9..........16............50............138.............387
.....9........81.........256..........2500..........19044..........149769
....16.......256........1138.........20016.........252544.........3407893
....50......2500.......20016.......1133664.......41164952......1615611339
...138.....19044......252544......41164952.....3815358480....386807892609
...387....149769.....3407893....1615611339...386807892609.103879396217927
..1143...1306449....52906752...76015542500.49198404222036
..3402..11573604...807057750.3621550793604
..9948..98962704.12038960562
.30747.945378009
.90018
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..69
EXAMPLE
Some solutions for n=3 k=4
..1..0..0..2....1..1..0..1....1..1..0..0....1..2..1..2....1..0..1..1
..1..0..1..0....0..0..1..1....1..0..0..0....0..1..0..1....1..1..0..0
..1..1..2..2....2..2..2..2....2..1..0..1....0..0..0..2....2..2..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 18 2013
STATUS
approved