OFFSET
1,1
COMMENTS
Row 6 of A214540
EXAMPLE
Some solutions for n=2
.......1............1............1............1............1............1
......0.2..........1.1..........1.1..........1.1..........0.2..........2.0
.....0.2.1........1.1.1........2.0.1........2.0.1........1.0.2........1.2.0
....1.0.2.1......1.0.2.1......2.0.1.1......0.2.0.2......1.0.1.2......1.2.1.0
...1.1.0.2.1....1.0.1.2.1....1.2.0.2.0....0.2.0.1.2....1.1.0.1.2....1.2.1.0.1
..2.1.0.1.2.0..1.0.0.2.2.1..1.2.0.1.2.0..2.0.2.0.2.0..0.2.0.1.2.1..2.1.2.0.1.0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 20 2012
STATUS
approved