OFFSET
1,1
COMMENTS
Diagonal of A202636
EXAMPLE
Some solutions for n=3
..2..0..3....0..1..0....0..1..0....2..3..2....2..0..0....0..2..3....3..2..1
..1..0..3....1..3..1....2..0..0....3..0..2....3..2..3....2..2..2....2..2..3
..0..2..0....2..0..0....2..2..2....3..2..2....2..2..0....0..0..2....1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 21 2011
STATUS
approved