OFFSET
1,2
COMMENTS
Table starts
....1........2.............4..............12...............40..............143
....2.......15...........159............2191............31168...........447343
....4......159..........6451..........287379.........12711292........563046972
...12.....2191........287379........40919141.......5770321516.....815364171994
...40....31168......12711292......5770321516....2579588216958.1155411237719424
..143...447343.....563046972....815364171994.1155411237719424
..528..6427791...24932875448.115180678788869
.1979.92387812.1104148318540
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..60
EXAMPLE
Some solutions for n=5 k=3
..0..0..1....0..1..0....0..0..1....0..0..1....0..0..1....0..1..1....0..0..1
..2..3..1....2..0..3....2..2..1....0..0..2....0..1..0....0..0..1....0..1..0
..1..1..3....1..2..1....0..3..2....1..3..1....2..3..3....2..0..2....2..2..1
..3..3..1....0..1..0....2..0..2....1..2..0....0..1..0....2..1..1....1..2..2
..0..1..1....2..2..3....3..3..1....2..0..1....1..2..1....3..1..0....0..1..3
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 18 2012
STATUS
approved