OFFSET
1,1
COMMENTS
Column 7 of A204685
EXAMPLE
Some solutions for n=5
..0..1..1..0..0..2..3....0..0..1..0..0..1..1....0..0..1..0..1..1..0
..3..0..0..2..1..3..2....2..1..0..1..3..1..3....0..2..1..2..3..3..0
..0..1..1..2..0..1..2....3..1..1..3..0..2..0....3..2..2..0..1..2..3
..1..3..0..0..1..3..3....0..2..0..0..1..1..3....2..0..1..3..1..1..2
..2..0..2..2..1..1..0....3..0..3..1..1..3..2....0..2..1..3..3..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 18 2012
STATUS
approved