OFFSET
1,3
COMMENTS
Row 5 of A267338.
EXAMPLE
Some solutions for n=5
..0..0..1..2..3....0..1..2..3..4....0..1..2..3..4....0..1..2..3..4
..0..1..2..3..4....1..2..3..4..0....0..1..2..3..4....1..2..3..4..0
..1..1..2..3..4....2..3..4..0..1....0..1..2..3..4....1..2..3..4..0
..1..2..3..4..0....3..4..0..1..2....0..1..2..3..4....2..3..4..0..1
..2..3..4..4..0....4..0..1..2..3....0..1..2..3..4....3..4..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 13 2016
STATUS
approved