OFFSET
1,1
COMMENTS
Row 3 of A187699
EXAMPLE
Some n=3 solutions for 4X4
..0..2..0..2....0..3..0..3....2..1..2..1....0..1..0..1....0..1..3..2
..3..1..3..0....1..0..1..3....2..3..2..3....1..3..1..3....2..0..1..0
..0..2..0..2....0..1..0..1....3..1..3..1....1..2..1..2....0..1..0..2
..3..2..3..0....3..0..3..2....2..2..2..2....1..1..1..1....2..2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 12 2011
STATUS
approved