OFFSET
1,1
COMMENTS
Diagonal of A184673
EXAMPLE
Some solutions for 3X3
..3..3..1....1..0..1....1..2..2....1..3..3....3..1..3....1..1..3....3..1..2
..0..3..2....3..3..2....2..1..3....1..2..2....2..3..3....3..3..2....3..2..3
..3..1..2....3..3..2....2..1..3....2..1..1....1..2..3....2..3..3....3..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 19 2011
STATUS
approved