OFFSET
1,1
COMMENTS
Row 7 of A231396
EXAMPLE
Some solutions for n=4
..0..0..0..1..1....0..1..0..0..0....0..0..0..0..0....0..0..0..0..0
..0..0..0..1..1....1..0..1..0..0....1..1..0..0..0....0..0..0..0..0
..0..0..0..1..1....0..1..0..1..0....1..1..1..0..0....0..0..0..0..0
..0..0..1..1..1....0..0..1..0..1....1..1..2..2..2....0..0..0..1..1
..1..1..1..2..2....0..0..0..1..0....1..2..2..2..2....2..2..1..1..1
..1..1..2..2..2....0..0..1..0..1....2..1..2..1..1....2..2..2..1..1
..0..0..0..2..2....1..1..0..1..0....1..2..1..1..1....2..2..2..2..1
..0..0..0..0..0....1..1..1..0..1....2..1..2..2..2....1..1..1..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 08 2013
STATUS
approved