OFFSET
1,1
COMMENTS
Column 6 of A223747
EXAMPLE
Some solutions for n=3
..0..2..1..1..2..0....2..0..2..2..0..2....2..0..0..0..0..2....2..1..2..2..1..2
..0..1..0..0..1..0....2..0..1..1..0..2....1..2..2..0..1..2....1..0..0..0..0..1
..0..2..1..1..2..0....2..0..2..2..0..2....2..0..0..0..0..2....2..1..2..2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 27 2013
STATUS
approved