OFFSET
1,2
COMMENTS
Row 7 of A230469
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
..1..1..2....1..1..2....1..1..2....1..1..2....1..1..2....0..1..1....1..1..2
..0..2..0....0..2..0....0..2..1....0..2..0....1..2..0....1..2..2....1..2..0
..1..2..1....1..2..1....0..2..1....2..2..1....1..0..2....1..0..1....2..0..0
..0..1..0....2..0..1....0..1..1....1..0..2....2..2..1....1..2..1....0..1..0
..2..2..1....2..1..1....0..2..2....0..0..0....2..0..0....0..1..1....2..2..1
..2..0..2....0..2..0....1..0..2....2..1..0....2..1..0....2..0..0....2..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 20 2013
STATUS
approved