OFFSET
1,1
COMMENTS
Row 5 of A219381
EXAMPLE
Some solutions for n=3
..0..0..1....0..0..1....0..0..0....0..0..1....1..1..1....0..0..1....0..0..1
..1..0..0....1..0..0....0..0..0....1..0..0....1..1..1....0..0..1....0..0..0
..1..0..2....1..0..2....0..0..2....1..0..0....1..1..2....0..0..0....0..0..0
..1..1..2....2..1..1....1..0..1....1..0..1....2..1..1....0..0..2....1..0..2
..2..1..1....2..1..1....1..1..1....2..1..1....2..1..1....0..0..2....2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 19 2012
STATUS
approved