OFFSET
1,1
COMMENTS
Column 3 of A203022.
EXAMPLE
Some solutions for n=3
..0..1..7....0..2..8....7..1..4....4..6..0....1..7..0....0..1..4....9..0..1
..0..2..4....0..3..1....0..1..2....7..2..3....0..2..3....0..8..2....2..0..3
..4..3..6....1..5..6....0..9..2....0..0..1....0..4..7....4..3..0....5..5..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 27 2011
STATUS
approved