OFFSET
1,1
COMMENTS
Column 6 of A201072
EXAMPLE
Some solutions for n=3
..0..0..1..2..3..5....0..1..1..1..3..3....0..0..1..2..3..4....0..0..1..1..2..4
..1..2..3..4..4..6....0..2..3..4..5..6....0..1..3..3..5..5....0..3..3..4..5..5
..1..2..4..5..5..6....2..2..4..5..5..6....2..2..4..6..6..6....2..4..5..6..6..6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 26 2011
STATUS
approved