OFFSET
1,1
COMMENTS
Row 3 of A223309
EXAMPLE
Some solutions for n=3
..1..0..2..2....0..1..0..2....0..1..2..1....0..0..0..1....0..2..0..1
..0..2..2..2....1..0..2..1....1..1..1..2....1..0..1..2....1..2..2..2
..2..0..2..2....1..2..2..2....0..2..2..1....1..1..2..1....1..2..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 19 2013
STATUS
approved