OFFSET
1,1
COMMENTS
Row 6 of A220044
EXAMPLE
Some solutions for n=3
..0..0..0....1..0..0....1..0..1....1..1..1....1..0..0....2..0..0....0..0..0
..0..0..0....1..0..0....1..0..0....1..1..1....1..0..1....2..0..1....0..0..0
..0..2..0....2..0..0....1..0..1....1..1..1....2..0..0....2..0..0....0..0..0
..2..2..2....1..0..0....1..0..0....1..2..1....2..0..2....2..0..0....3..1..1
..0..1..0....1..0..1....1..0..1....2..2..2....3..1..1....2..0..2....3..1..2
..0..0..0....1..3..1....3..2..3....3..2..3....3..1..3....3..2..3....3..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 03 2012
STATUS
approved