OFFSET
1,4
COMMENTS
Column 3 of A266854.
EXAMPLE
Some solutions for n=5
..0..4..1....0..2..1....0..2..4....0..4..3....0..2..4....0..3..2....0..3..0
..3..3..1....4..1..3....4..2..4....3..3..1....4..1..3....2..0..4....2..2..4
..1..0..4....1..0..3....1..1..3....2..1..0....4..1..1....4..3..3....1..4..3
..0..4..3....4..2..0....0..3..1....1..0..2....3..0..3....2..1..1....4..2..1
..2..2..2....2..4..3....2..0..3....4..4..2....2..0..2....0..4..1....1..0..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 04 2016
STATUS
approved