OFFSET
1,2
COMMENTS
Column 3 of A267629.
EXAMPLE
Some solutions for n=4
..0..1..2....0..1..2....0..1..2....0..0..0....0..0..1....0..1..2....0..0..1
..0..1..1....0..1..1....3..0..1....1..1..1....0..1..2....0..1..2....1..2..3
..2..3..3....2..2..3....3..3..0....2..2..2....1..2..3....3..0..1....3..0..1
..2..3..0....3..3..0....1..2..2....3..3..3....2..3..3....2..3..3....2..2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 18 2016
STATUS
approved