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