OFFSET
1,1
COMMENTS
Row 3 of A268009.
EXAMPLE
Some solutions for n=3
..0..1..2....0..0..1....0..1..2....0..1..2....0..1..2....0..1..1....0..1..2
..0..1..0....2..2..1....2..0..3....1..1..0....0..0..2....1..2..2....2..3..0
..2..0..3....2..0..0....0..2..2....0..2..3....3..1..1....1..0..3....2..1..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 24 2016
STATUS
approved