OFFSET
1,1
COMMENTS
Diagonal of A205352
EXAMPLE
Some solutions for n=4
..0..0..1..2..0....0..0..0..1..0....0..0..0..1..1....0..1..0..2..1
..3..0..2..3..3....0..0..2..3..3....2..0..0..0..2....3..0..0..1..0
..0..2..2..0..0....1..2..0..3..0....0..3..3..1..3....2..0..0..1..3
..0..0..3..2..1....0..1..0..3..1....1..3..3..1..0....3..2..1..3..3
..0..0..3..0..2....2..1..0..2..3....3..0..1..0..0....3..0..2..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 26 2012
STATUS
approved