OFFSET
1,1
COMMENTS
Column 3 of A201105
EXAMPLE
Some solutions for n=3
..0..2..1....0..3..2....0..1..3....0..3..3....0..2..2....0..2..1....0..2..4
..4..7..7....1..4..5....2..5..4....2..5..4....1..4..3....3..3..7....1..3..5
..3..5..6....6..6..7....3..7..6....1..7..6....5..7..6....4..6..5....4..7..6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 26 2011
STATUS
approved