OFFSET
1,1
COMMENTS
Row 4 of A233117
EXAMPLE
Some solutions for n=2
..0..1..1....1..1..0....0..0..0....1..1..1....0..0..2....1..1..1....0..0..2
..0..1..1....0..1..1....2..0..1....1..0..2....0..2..1....1..0..2....1..0..2
..0..2..0....1..0..1....1..1..2....1..2..1....0..2..1....2..0..1....2..0..2
..2..0..1....2..1..1....1..2..1....1..1..2....0..2..1....0..2..2....0..2..2
..1..1..2....1..2..2....2..2..2....2..2..1....1..0..2....2..2..1....2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 04 2013
STATUS
approved