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