OFFSET
1,2
COMMENTS
Diagonal of A189610.
EXAMPLE
Some solutions for 3 X 3
..4..1..2....0..1..2....4..0..2....4..0..1....4..0..2....0..1..2....4..1..2
..0..8..5....3..8..4....7..1..5....7..8..2....3..1..5....7..8..4....0..3..5
..3..6..7....6..7..5....3..6..8....3..6..5....6..7..8....3..6..5....6..7..8
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 24 2011
STATUS
approved