OFFSET
1,1
COMMENTS
Row 3 of A268003.
EXAMPLE
Some solutions for n=3
..0..0..1....0..0..1....0..0..1....0..1..2....0..1..0....0..1..1....0..1..2
..0..2..3....2..0..2....0..2..3....3..0..2....2..1..1....1..2..3....0..1..0
..2..0..1....3..2..2....3..0..3....2..1..3....0..0..3....1..1..0....0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 24 2016
STATUS
approved