OFFSET
1,1
COMMENTS
Column 5 of A185504
EXAMPLE
Some solutions for 3X6
..1..1..0..1..1..1....0..1..2..2..2..2....1..1..1..2..1..1....0..1..2..1..1..1
..0..0..0..0..0..1....0..0..0..0..1..2....0..0..0..2..2..2....1..1..1..1..2..1
..0..0..1..0..0..2....2..1..1..1..1..1....1..1..0..1..2..2....1..0..1..2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 29 2011
STATUS
approved