OFFSET
1,3
COMMENTS
Column 3 of A266832.
EXAMPLE
Some solutions for n=5
..0..4..3....0..0..2....0..0..2....0..3..3....0..2..4....0..0..2....0..4..2
..3..2..2....4..4..2....2..0..4....3..0..2....4..4..1....4..3..0....4..2..1
..1..0..0....3..2..4....1..4..2....2..2..4....1..3..3....4..2..2....4..1..0
..1..4..4....3..1..1....1..3..1....1..1..4....1..0..2....1..4..1....3..3..3
..1..3..2....1..0..3....4..3..3....0..4..1....3..0..2....1..3..3....1..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 04 2016
STATUS
approved