OFFSET
1,1
COMMENTS
Row 4 of A262109.
EXAMPLE
Some solutions for n=2
..2..2..2....0..0..1....0..2..0....1..2..1....2..0..2....1..0..0....2..0..0
..2..0..2....1..1..2....0..2..2....0..2..0....1..2..0....1..1..0....2..1..0
..1..1..2....0..0..1....0..1..1....2..0..2....0..2..0....0..0..0....2..0..0
..2..2..2....0..0..1....0..1..1....2..2..1....2..2..0....1..0..1....1..0..1
..2..2..1....2..2..2....2..1..1....2..1..1....2..1..1....2..2..0....2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 11 2015
STATUS
approved