OFFSET
1,1
COMMENTS
Column 5 of A205431
EXAMPLE
Some solutions for n=4
..0..0..1..0..1..0....0..1..2..1..1..1....0..1..0..0..0..0....0..0..0..0..1..2
..0..0..1..1..0..3....2..2..3..1..2..3....2..2..1..2..0..0....0..3..1..0..3..1
..3..1..0..2..1..1....3..2..0..3..2..2....1..2..0..1..3..0....0..3..3..3..2..0
..1..1..2..0..3..1....3..1..2..1..3..3....2..1..2..2..1..0....0..0..0..3..0..2
..1..1..1..0..0..1....3..3..3..2..2..3....2..2..1..2..1..1....1..1..0..2..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 27 2012
STATUS
approved