OFFSET
1,1
COMMENTS
Column 5 of A199101
EXAMPLE
Some solutions for n=3
..0..0..1..1..1....0..1..0..0..1....0..1..2..2..0....0..1..2..1..1
..2..2..2..0..2....1..0..1..2..2....0..0..1..2..1....0..1..0..2..0
..2..0..0..1..1....0..2..2..2..1....2..1..1..2..0....0..2..1..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 02 2011
STATUS
approved