OFFSET
1,1
COMMENTS
Column 7 of A204230
EXAMPLE
Some solutions for n=4
..0..1..2..1..2..0..0..1....1..1..0..1..0..1..1..1....1..1..0..2..2..2..2..2
..0..0..0..1..0..2..2..2....0..2..1..2..1..2..0..2....1..2..2..2..0..2..1..2
..1..2..1..2..2..1..2..1....1..1..0..1..0..1..1..1....0..2..0..2..2..2..2..2
..2..0..2..0..1..2..2..2....1..1..2..1..2..2..2..2....2..2..2..2..1..2..1..2
..1..2..1..2..2..1..2..1....1..1..2..1..2..1..2..1....0..2..0..2..2..2..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 13 2012
STATUS
approved