OFFSET
1,1
COMMENTS
Column 5 of A217999
EXAMPLE
Some solutions for n=3
..0..0..0..0..1....0..1..2..0..2....0..2..2..1..1....0..0..1..1..0
..0..0..0..1..1....0..0..2..1..1....0..0..0..0..2....0..0..0..1..1
..0..2..2..0..1....0..0..0..2..0....0..1..0..2..0....0..1..0..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 17 2012
STATUS
approved