OFFSET
1,1
COMMENTS
Column 5 of A233408
EXAMPLE
Some solutions for n=4
..0..2..0..1..0..1....0..1..2..0..1..2....1..0..1..0..1..0....0..2..0..1..0..1
..2..1..2..0..2..0....1..2..0..2..0..1....0..1..0..1..0..2....1..0..2..0..2..0
..1..0..1..2..1..2....2..0..2..1..2..0....1..0..1..0..2..1....0..1..0..2..1..2
..2..1..2..1..2..1....0..2..0..2..1..2....0..2..0..2..0..2....2..0..2..0..2..0
..1..2..1..2..1..2....2..0..2..1..2..1....1..0..2..1..2..1....1..2..1..2..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2013
STATUS
approved