OFFSET
1,1
COMMENTS
Column 3 of A203600
EXAMPLE
Some solutions for n=5
..2..2..2....0..0..0....1..2..2....2..1..0....1..0..0....1..2..2....2..1..0
..2..0..0....1..2..2....1..2..2....2..2..1....2..1..2....2..2..2....2..2..1
..1..0..0....2..2..2....1..2..0....2..0..0....2..2..2....1..0..0....2..0..0
..2..2..1....1..1..0....0..1..0....0..0..2....0..0..0....0..0..2....2..0..0
..1..0..0....0..0..0....0..0..0....0..1..2....1..1..0....0..1..1....1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 03 2012
STATUS
approved