OFFSET
1,1
COMMENTS
Row 7 of A220204
EXAMPLE
Some solutions for n=3
..1..1..1....1..0..0....1..0..0....1..1..1....0..0..0....1..0..0....1..0..0
..2..1..1....2..1..0....1..0..0....2..1..1....0..0..0....0..0..0....1..0..0
..2..1..1....2..2..2....1..1..0....2..2..2....1..0..0....0..0..0....2..2..0
..1..0..0....1..1..2....2..2..2....2..2..3....1..0..0....0..0..0....2..1..1
..1..0..0....1..1..1....0..0..0....2..2..3....1..0..0....2..0..0....2..1..1
..1..1..0....3..1..1....0..0..0....2..0..0....3..2..0....3..2..0....3..1..1
..2..1..1....3..3..3....1..0..0....3..0..0....3..2..2....3..3..2....3..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 07 2012
STATUS
approved