OFFSET
1,1
COMMENTS
Diagonal of A200579
EXAMPLE
Some solutions for n=3
..1..2..2....0..0..2....2..0..2....2..0..0....2..0..1....2..2..0....0..2..0
..2..2..1....0..0..2....0..2..0....2..0..2....0..2..0....0..1..2....2..1..2
..2..2..2....2..2..1....2..2..2....1..2..0....2..2..0....2..2..0....2..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 19 2011
STATUS
approved