OFFSET
1,3
COMMENTS
Row 5 of A268159.
EXAMPLE
Some solutions for n=4
..0..4..2..2....0..4..0..3....0..0..2..1....0..0..3..1....0..0..2..4
..0..4..2..4....0..4..0..3....0..4..2..1....0..3..1..3....0..2..3..4
..1..1..2..4....4..4..3..1....0..4..1..1....0..2..2..3....0..3..3..1
..1..0..3..3....2..3..1..2....4..3..2..3....1..2..4..4....3..2..4..1
..1..0..3..3....2..1..1..2....4..3..2..3....1..2..4..4....2..4..1..1
CROSSREFS
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Jan 27 2016
STATUS
approved