OFFSET
1,1
COMMENTS
Column 7 of A206752.
EXAMPLE
Some solutions for n=4:
..1..2..1..1..0..2..0..3....1..0..0..0..0..3..1..2....0..3..1..2..1..1..1..2
..0..1..1..2..1..3..1..0....1..0..1..0..1..0..3..1....2..0..3..0..3..1..0..1
..1..0..1..2..1..1..0..0....1..0..0..1..0..0..3..1....2..0..3..3..1..2..1..3
..1..0..0..1..1..1..0..0....0..1..1..3..1..0..3..1....1..3..1..1..0..1..0..2
..3..1..0..0..1..0..1..0....1..3..3..1..1..1..0..3....1..3..3..3..1..2..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 12 2012
STATUS
approved