OFFSET
1,1
COMMENTS
Column 3 of A223195
EXAMPLE
Some solutions for n=3
..1..0..2....1..0..1....0..0..1....2..1..2....2..0..1....2..1..0....2..1..1
..0..0..2....0..0..1....0..0..0....0..0..1....1..0..0....1..0..1....1..0..1
..0..1..2....2..1..2....1..0..0....2..1..2....2..1..2....0..0..2....0..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 18 2013
STATUS
approved