OFFSET
1,1
COMMENTS
Column 5 of A222722
EXAMPLE
Some solutions for n=3
..0..0..1..2..1....0..0..1..0..1....0..0..1..2..0....0..0..1..2..0
..0..0..3..2..0....0..2..3..2..0....1..0..2..1..3....0..2..0..2..1
..1..2..0..2..3....2..3..1..3..2....2..1..0..0..2....1..2..1..3..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 03 2013
STATUS
approved