OFFSET
1,1
COMMENTS
Row 7 of A267742.
EXAMPLE
Some solutions for n=4
..0..1..1..1....0..0..1..2....0..0..1..2....0..1..2..2....0..1..1..2
..2..2..2..3....1..2..3..3....1..2..3..4....1..2..3..3....1..2..2..3
..3..3..4..4....3..3..4..4....3..4..5..5....2..3..4..4....2..3..3..4
..3..4..4..5....4..4..5..5....5..6..6..0....3..4..5..5....3..4..4..4
..5..5..6..6....5..5..6..6....6..0..1..2....4..5..6..6....5..5..5..5
..5..6..6..0....6..6..0..1....1..2..3..4....5..6..6..0....6..6..6..0
..0..0..1..2....0..1..2..2....3..4..5..6....0..0..1..1....6..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2016
STATUS
approved