OFFSET
1,1
COMMENTS
Column 4 of A184784
EXAMPLE
Some solutions for 4X6
..0..1..0..2..2..2....0..1..0..2..0..2....0..1..0..1..2..0....0..1..0..0..2..0
..1..0..0..1..2..0....1..0..0..1..2..1....1..0..0..1..0..1....1..0..0..2..0..1
..0..0..1..1..2..2....0..0..1..0..1..2....0..0..1..1..2..2....0..0..1..0..2..2
..0..1..0..1..0..0....0..1..0..0..1..1....0..1..0..1..2..0....0..1..0..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 21 2011
STATUS
approved