OFFSET
1,3
COMMENTS
Column 3 of A266904.
EXAMPLE
Some solutions for n=5
..0..3..1....0..0..0....0..0..4....0..4..3....0..2..4....0..0..4....0..4..1
..4..3..0....2..2..2....3..2..4....4..3..1....4..1..3....3..0..2....2..2..1
..3..2..4....4..4..1....3..1..4....1..1..0....2..1..3....2..2..1....2..1..0
..0..2..1....1..3..3....2..0..2....3..0..4....1..3..0....4..1..3....4..3..0
..4..2..1....4..1..3....1..3..1....2..2..2....0..2..4....4..1..3....4..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2016
STATUS
approved