OFFSET
1,3
COMMENTS
Column 2 of A265679.
EXAMPLE
Some solutions for n=4
..0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1
..2..0....2..3....2..0....2..2....2..3....2..0....2..0....2..2....2..3....2..2
..3..2....1..0....3..3....1..0....1..0....3..3....1..2....3..3....0..2....3..3
..1..3....3..2....2..1....3..3....2..3....1..2....3..3....0..1....1..3....1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 13 2015
STATUS
approved