OFFSET
1,1
COMMENTS
Column 4 of A198642
EXAMPLE
Some solutions for n=2
..0..0..1..2..1..2..0..0....0..0..1..0..1..0..1..0....0..0..1..0..2..0..1..0
..0..0..0..1..0..1..0..0....0..0..0..1..0..1..0..2....0..0..0..1..0..1..2..1
..1..0..0..2..1..0..2..1....1..0..0..2..1..2..1..0....1..0..0..2..1..2..0..2
..2..1..2..1..0..2..1..0....2..1..2..1..0..1..0..2....0..1..2..1..2..1..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 27 2011
STATUS
approved