OFFSET
1,1
COMMENTS
Column 7 of A207208
EXAMPLE
Some solutions for n=4
..1..1..0..2..1..1..0....1..1..1..1..1..0..2....1..0..0..0..2..2..0
..1..1..0..1..0..0..2....2..2..0..2..2..1..2....1..1..0..2..0..2..0
..0..1..0..0..2..2..2....1..1..1..1..0..2..1....1..2..0..2..0..2..2
..1..1..0..2..2..2..0....0..2..2..1..2..1..2....0..2..2..0..0..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 15 2012
STATUS
approved