OFFSET
1,3
COMMENTS
Table starts
...........1...............1...............1.............1...............1
...........2...............3...............4.............5...............6
...........4..............13..............29............57..............96
..........18.............169.............880..........3249............9522
.........112............5673...........87932........815263.........4843626
........1760..........526443........34725760.....932587453.....13937940952
.......35150.......133721189.....46259653191.4893373431575.212962858290086
.....1944530.....95133854529.250599609089536
...133948836.190409704025737
.26615510712
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..62
EXAMPLE
Some solutions for n=4 k=3
..1..1..1..3....1..3..2..0....1..3..0..2....0..1..2..3....2..1..2..1
..1..2..3..0....3..1..0..2....3..3..0..0....1..3..2..0....1..0..2..3
..1..3..0..2....2..0..1..3....0..0..3..3....2..2..1..1....2..2..0..2
..3..0..2..1....0..2..3..1....2..0..3..1....3..0..1..2....1..3..2..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jun 20 2012
STATUS
approved