OFFSET
1,1
COMMENTS
Column 7 of A199647
EXAMPLE
Some solutions for n=3
..0..0..1..2..2..0..2....0..1..1..2..0..1..1....0..0..1..1..0..0..0
..0..0..1..2..2..0..2....0..0..0..2..0..2..2....0..0..2..2..0..2..0
..1..1..0..0..0..1..1....1..1..1..1..1..1..2....1..1..1..1..1..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 08 2011
STATUS
approved