OFFSET
1,2
COMMENTS
Row 7 of A266033.
EXAMPLE
Some solutions for n=2
..1..0....0..1....0..0....0..1....0..2....1..0....0..2....0..0....0..1....0..2
..2..0....1..0....0..1....2..0....0..0....0..2....1..0....2..0....1..0....0..1
..0..0....2..1....2..0....2..0....1..2....1..0....0..2....2..1....0..0....2..0
..0..2....0..1....0..1....1..2....0..2....2..1....0..2....0..1....2..0....2..0
..0..2....2..0....1..0....0..0....0..0....0..0....0..0....2..0....1..1....2..0
..1..0....0..1....0..2....2..0....0..2....0..1....1..1....1..1....0..2....2..0
..0..0....2..0....1..0....0..0....0..1....1..0....0..1....0..0....0..0....0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 20 2015
STATUS
approved