OFFSET
1,1
COMMENTS
Column 4 of A185609
EXAMPLE
Some solutions for 3X5
..0..0..3..3..1....0..0..0..2..1....0..0..1..0..2....0..0..3..0..3
..0..0..0..0..0....0..0..2..3..1....0..0..3..0..2....0..0..1..0..2
..1..2..2..1..0....2..0..2..1..0....3..0..3..0..1....1..0..3..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 31 2011
STATUS
approved