OFFSET
1,1
COMMENTS
Diagonal of A184231
EXAMPLE
Some solutions for 3X3
..0..3..1....1..0..3....1..3..1....3..1..2....3..0..2....2..1..3....3..0..2
..2..0..3....0..3..0....2..0..2....0..3..0....0..3..0....0..3..0....0..2..0
..0..2..1....1..0..1....0..2..0....3..2..3....3..2..3....3..2..3....2..0..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 10 2011
STATUS
approved