OFFSET
1,1
COMMENTS
Diagonal of A183632
EXAMPLE
Some solutions for 3X3
..1..2..0....0..2..0....1..2..0....2..0..1....1..1..0....0..1..0....0..1..1
..0..1..1....2..0..2....1..0..2....0..2..1....0..2..1....1..2..1....2..1..1
..2..1..1....1..1..1....2..1..1....2..0..1....1..1..0....0..1..0....1..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 06 2011
STATUS
approved