OFFSET
1,1
COMMENTS
Column 5 of A187645
EXAMPLE
Some solutions for 4X7
..0..1..2..0..1..1..0....0..1..2..1..2..2..0....0..0..2..0..2..1..1
..0..0..1..1..1..2..0....0..2..2..0..2..1..1....0..2..1..1..0..2..0
..1..2..2..0..1..2..1....1..1..0..0..0..1..0....1..2..1..0..2..1..0
..0..1..2..0..1..1..0....1..0..2..2..1..2..1....0..0..2..0..2..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 12 2011
STATUS
approved