OFFSET
1,1
COMMENTS
Row 6 of A219883
EXAMPLE
Some solutions for n=3
..0..0..0....1..1..1....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..1..0..0....0..0..0....1..0..1....1..1..1....0..1..0....1..1..1....1..0..1
..2..0..0....0..0..0....1..0..0....0..1..0....1..1..1....1..1..2....1..0..1
..2..0..1....0..0..0....1..0..0....0..0..0....2..1..1....1..0..2....2..0..0
..2..1..1....2..0..0....1..0..2....0..2..0....2..1..1....2..0..0....2..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 30 2012
STATUS
approved