OFFSET
1,2
COMMENTS
Row 6 of A221755
EXAMPLE
Single solution for n=3
..0..2..1
..1..2..0
..0..2..1
..1..2..0
..0..2..1
..1..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 24 2013
STATUS
approved