OFFSET
1,1
COMMENTS
Column 3 of A208960
EXAMPLE
Some solutions for n=4
..0..2..2....0..2..2....0..4..3....0..0..5....0..1..3....0..3..3....0..3..0
..1..3..0....1..1..2....3..2..3....4..1..0....3..1..3....0..1..0....2..3..3
..1..2..2....0..0..2....2..2..3....2..1..2....3..0..3....1..1..3....3..2..3
..1..0..3....0..1..1....4..3..2....5..1..4....3..0..0....0..1..3....3..3..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 03 2012
STATUS
approved