OFFSET
1,1
COMMENTS
Row 3 of A233353.
EXAMPLE
Some solutions for n=2
..0..0..2....0..0..0....0..1..0....0..0..2....0..0..1....2..0..2....2..0..0
..0..1..2....1..2..1....0..1..0....1..0..2....2..2..0....1..3..3....3..0..0
..1..2..0....0..2..2....0..0..3....0..2..2....1..1..3....1..3..3....0..1..3
..1..1..2....1..1..3....2..3..2....3..3..3....1..2..3....3..3..3....1..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 07 2013
STATUS
approved