OFFSET
1,1
COMMENTS
Diagonal of A205736.
EXAMPLE
Some solutions for n=4:
..2..2..0..1..2....1..1..2..0..0....1..1..0..0..2....0..1..0..1..1
..0..2..0..1..2....2..1..2..0..1....1..2..2..0..2....1..2..1..0..2
..1..0..2..0..1....0..2..1..2..0....2..1..0..2..1....1..2..1..0..1
..0..0..0..0..0....0..2..1..2..0....2..2..2..2..2....0..1..0..2..1
..0..0..0..0..0....2..0..2..0..1....2..2..2..2..2....1..1..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 30 2012
STATUS
approved