OFFSET
1,1
COMMENTS
Row 4 of A224123
EXAMPLE
Some solutions for n=3
..0..2..0....0..0..2....0..0..0....0..1..0....2..0..2....2..0..0....2..2..1
..2..0..0....2..0..1....2..0..3....0..1..0....2..1..1....0..1..1....0..2..3
..2..2..0....0..3..0....0..3..2....0..0..3....0..2..3....0..1..1....2..3..2
..3..0..1....2..1..1....2..3..0....2..2..1....2..3..1....2..3..2....2..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 31 2013
STATUS
approved