OFFSET
1,3
COMMENTS
Column 3 of A265089.
EXAMPLE
Some solutions for n=5
..0..4..2....2..0..4....4..0..2....0..3..3....2..4..0....3..2..1....3..0..3
..4..1..1....2..3..1....1..3..2....4..0..2....3..0..3....2..4..0....4..1..1
..0..4..2....2..0..4....0..3..3....3..2..1....1..3..2....0..3..3....0..4..2
..3..0..3....1..4..1....4..0..2....2..4..0....0..2..4....4..0..2....0..4..2
..3..1..2....3..3..0....1..4..1....1..1..4....4..1..1....1..1..4....3..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2015
STATUS
approved