OFFSET
1,1
COMMENTS
Row 5 of A267019.
EXAMPLE
Some solutions for n=4
..0..2..4..2....0..2..4..1....0..2..0..2....0..3..1..3....0..3..1..3
..3..0..2..4....3..0..2..4....3..0..3..1....4..1..4..1....3..1..4..1
..1..3..0..3....0..3..0..2....0..3..1..3....2..4..2..0....2..4..1..4
..3..1..4..1....3..1..3..1....4..1..4..2....4..2..0..2....0..2..4..2
..1..4..2..0....2..4..1..4....1..4..2..4....3..0..3..1....2..0..3..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 09 2016
STATUS
approved