OFFSET
1,2
COMMENTS
Row 3 of A221852
EXAMPLE
Some solutions for n=3
..2..1..1....0..1..0....0..0..1....2..1..0....1..1..3....1..0..0....1..0..2
..0..0..0....0..3..2....0..4..1....1..0..1....0..0..1....1..3..1....3..0..1
..3..1..1....0..3..0....0..1..2....1..3..0....0..2..1....2..1..0....0..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 27 2013
STATUS
approved