OFFSET
1,1
COMMENTS
Column 5 of A199246
EXAMPLE
Some solutions for n=4
..0..1..0..2..1....0..1..0..2..1....0..1..2..0..1....0..1..2..0..1
..1..0..2..0..2....1..2..1..0..2....1..2..0..2..0....1..2..0..2..0
..2..1..0..2..0....2..1..0..2..0....2..0..2..1..1....0..1..2..0..1
..1..2..1..0..2....1..2..1..0..2....0..2..0..1..1....1..2..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 04 2011
STATUS
approved