OFFSET
1,1
COMMENTS
Column 5 of A205954.
EXAMPLE
Some solutions for n=4:
..1..3..1..0..0..3....2..2..2..2..3..2....0..2..0..3..0..2....2..2..1..2..0..0
..0..3..3..1..2..0....2..0..3..2..1..1....0..3..3..2..1..2....1..0..0..2..0..0
..2..0..2..1..1..0....2..3..0..0..2..1....0..1..0..1..2..2....3..2..2..3..3..1
..1..0..0..2..3..1....0..3..0..0..0..3....2..1..3..2..2..2....3..2..2..0..0..2
..2..1..3..3..3..2....0..1..2..0..0..3....3..0..0..2..2..1....0..3..3..1..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 02 2012
STATUS
approved