OFFSET
1,1
COMMENTS
Column 7 of A201142
EXAMPLE
Some solutions for n=3
..0..0..0..0..1..1..4....0..0..0..1..2..2..5....0..0..0..0..2..4..5
..1..2..2..2..2..3..5....1..1..3..3..3..3..5....1..1..1..1..2..4..5
..3..3..4..4..4..5..5....2..4..4..4..4..5..5....2..2..3..3..3..4..5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 27 2011
STATUS
approved