OFFSET
1,1
COMMENTS
Column 3 of A221925
EXAMPLE
Some solutions for n=3
..0..0..2....1..1..2....0..0..1....2..0..2....0..1..1....2..0..0....0..2..1
..2..1..2....0..0..0....3..2..0....2..0..0....5..0..0....3..2..0....2..1..1
..1..0..1....4..0..1....0..1..2....0..2..1....0..2..0....0..2..0....1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 31 2013
STATUS
approved