OFFSET
1,2
COMMENTS
Column 2 of A209023.
EXAMPLE
Some solutions for n=6
..4..3....4..3....3..1....4..2....3..2....2..2....5..5....2..5....1..4....4..1
..5..4....3..5....3..1....2..3....3..3....4..2....2..1....4..4....1..1....1..1
..3..1....4..2....2..3....3..2....2..2....4..2....3..1....2..1....1..4....1..2
..1..1....2..3....2..3....3..3....3..2....2..2....2..2....1..1....1..2....2..4
..4..2....4..2....2..2....4..3....3..1....2..4....5..3....5..4....1..4....2..2
..2..5....5..4....1..1....3..3....1..1....4..4....5..2....4..4....4..2....2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 04 2012
STATUS
approved