OFFSET
1,1
COMMENTS
Column 2 of A214352
EXAMPLE
Some solutions for n=3
....2......2......0......1......1......1......1......0......0......2......1
...0.2....2.1....0.2....1.1....1.1....2.1....2.0....2.0....0.1....0.2....1.2
..0.2.1..2.0.1..0.2.2..1.0.1..0.2.1..2.2.1..1.2.0..2.2.0..0.0.2..2.0.2..0.1.2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 13 2012
STATUS
approved