OFFSET
1,2
COMMENTS
Row 6 of A267553.
EXAMPLE
Some solutions for n=4
..0..1..2..2....0..0..1..2....0..1..1..2....0..5..0..1....0..0..0..0
..1..2..3..3....1..1..2..3....1..1..2..3....0..0..1..2....1..1..1..1
..2..3..4..4....2..2..3..4....2..2..3..4....1..1..2..3....2..2..2..2
..3..4..5..5....3..3..4..5....3..3..4..5....2..2..3..4....3..3..3..3
..4..5..0..0....4..4..5..0....4..4..5..0....3..3..4..5....4..4..4..4
..5..0..1..1....5..5..0..1....5..5..0..0....4..4..5..5....5..5..5..5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 17 2016
STATUS
approved