OFFSET
1,1
COMMENTS
Column 4 of A204314
EXAMPLE
Some solutions for n=3
..0..0..0..1..2..1....0..1..2..0..1..1....0..0..0..1..2..2....0..0..1..2..1..2
..2..2..0..0..0..2....2..1..1..0..1..2....2..1..2..1..0..2....1..0..2..1..1..1
..2..0..0..1..1..1....0..1..1..2..1..2....2..0..0..0..0..0....2..2..2..1..1..0
..2..2..2..2..2..2....2..2..1..2..2..2....1..1..1..2..2..2....1..2..2..1..2..2
..2..1..2..1..1..1....1..0..1..1..2..1....0..2..2..0..1..2....1..0..0..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 14 2012
STATUS
approved