OFFSET
1,1
COMMENTS
Row 3 of A187633
EXAMPLE
Some n=3 solutions for 4X4
..2..3..3..3....1..0..0..1....3..3..3..1....0..1..1..1....0..1..2..3
..2..0..0..2....2..1..1..0....2..0..0..2....2..0..0..2....2..0..0..1
..3..0..0..2....2..1..1..0....2..0..0..2....1..0..0..2....1..0..0..2
..3..2..3..1....3..1..1..1....1..3..3..1....1..2..1..0....3..2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 12 2011
STATUS
approved