OFFSET
1,1
COMMENTS
Column 3 of A188813
EXAMPLE
Some solutions for 3X3
..2..4..1....1..0..8....1..0..8....1..2..0....3..0..5....3..2..0....6..2..1
..0..5..3....5..3..4....4..5..2....4..3..8....6..1..4....6..1..8....4..5..3
..7..8..6....7..6..2....3..6..7....7..6..5....7..8..2....7..4..5....0..8..7
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 11 2011
STATUS
approved