OFFSET
1,1
COMMENTS
Column 5 of A206600
EXAMPLE
Some solutions for n=4
..0..1..1..2..2..3....0..1..0..1..0..0....0..0..0..0..0..0....0..0..0..0..1..0
..0..3..3..0..0..3....1..0..2..3..2..1....0..1..2..2..1..2....2..2..1..1..3..2
..3..3..2..1..0..1....1..0..3..3..0..1....0..2..0..3..2..2....0..1..0..3..3..1
..0..1..1..0..3..2....0..1..3..2..3..1....1..2..1..1..3..2....3..2..2..1..1..2
..1..2..3..3..0..3....1..2..0..1..0..0....0..3..3..0..1..3....2..0..1..3..1..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 09 2012
STATUS
approved