OFFSET
1,1
COMMENTS
Column 3 of A222847
EXAMPLE
Some solutions for n=3
..0..1..1..1....0..0..1..1....0..0..1..1....0..0..2..0....0..1..1..1
..1..0..2..2....0..2..1..1....0..0..2..2....2..0..1..2....1..1..2..1
..1..0..1..1....0..2..1..2....0..0..2..2....0..2..2..2....0..2..1..2
..1..2..2..2....1..1..2..2....1..2..2..2....1..2..2..2....1..2..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 07 2013
STATUS
approved