OFFSET
1,1
COMMENTS
Row 6 of A223876
EXAMPLE
Some solutions for n=3
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..2....0..0..1....0..0..1....0..0..2....0..0..0....0..0..2....0..0..0
..2..2..3....1..2..1....1..2..2....1..2..1....3..0..0....2..2..0....0..0..3
..2..3..1....0..3..3....1..3..2....2..1..1....2..0..0....0..2..2....0..1..2
..0..3..3....0..1..3....0..2..2....0..0..0....2..3..0....0..3..1....1..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 28 2013
STATUS
approved