OFFSET
1,1
COMMENTS
Row 7 of A219915
EXAMPLE
Some solutions for n=3
..0..0..0....0..0..0....0..0..0....1..1..1....1..1..1....1..1..1....1..1..1
..0..0..0....0..0..0....0..0..0....1..1..1....1..1..1....0..0..0....0..0..0
..0..0..0....0..0..0....1..0..0....1..1..1....1..0..0....0..0..0....0..0..0
..0..0..0....1..0..0....1..0..0....0..0..0....1..0..0....0..0..0....0..0..0
..1..1..1....2..1..1....1..1..2....0..0..0....1..0..0....0..0..0....1..0..0
..1..1..1....2..1..1....1..1..1....0..0..0....2..0..0....1..0..0....1..0..0
..1..1..2....2..1..1....1..1..1....1..0..0....2..2..2....1..0..0....1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 01 2012
STATUS
approved