OFFSET
1,1
COMMENTS
Row 3 of A268204.
EXAMPLE
Some solutions for n=3
..2..0..3....2..3..0....2..2..0....0..3..0....1..0..0....0..3..1....0..2..3
..0..0..2....1..0..2....3..0..1....3..3..0....2..0..2....3..2..3....0..1..3
..0..2..3....2..1..0....2..0..3....1..0..3....1..2..1....3..3..1....2..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 28 2016
STATUS
approved