OFFSET
1,2
COMMENTS
Diagonal of A189312
EXAMPLE
Some solutions for 3X3
..3..2..1....1..0..2....0..1..2....3..2..1....0..1..5....3..5..1....4..0..2
..0..4..8....7..5..8....7..4..5....6..0..5....4..8..2....0..4..2....7..3..1
..7..6..5....3..6..4....3..6..8....7..4..8....3..6..7....7..6..8....6..8..5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 19 2011
STATUS
approved