OFFSET
1,2
COMMENTS
Column 5 of A267751.
EXAMPLE
Some solutions for n=4
..0..1..0..3..3....0..3..1..2..0....0..1..1..3..2....0..0..2..1..0
..0..2..1..3..3....1..0..2..2..1....0..1..2..3..2....1..1..2..2..0
..1..2..2..3..0....2..0..2..3..1....1..2..3..0..3....2..1..3..3..0
..1..2..2..0..1....3..0..3..3..1....1..2..0..0..3....3..2..3..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2016
STATUS
approved