OFFSET
1,1
COMMENTS
Column 3 of A187408
EXAMPLE
Some solutions for 5X5
..0..2..0..0..0....0..2..0..2..2....0..2..0..2..2....0..0..0..2..2
..0..0..0..2..3....2..0..3..0..0....2..0..2..1..1....0..0..2..1..2
..2..0..0..0..3....0..3..0..2..1....2..0..0..0..3....2..0..0..0..1
..0..0..2..0..3....2..0..2..0..1....0..3..0..0..1....2..1..2..0..2
..2..3..3..1..0....1..1..0..2..0....2..1..1..3..0....3..1..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 09 2011
STATUS
approved