OFFSET
1,1
COMMENTS
Column 4 of A224658
EXAMPLE
Some solutions for n=2
..0..0..1..2..2..2....0..0..0..0..0..1....0..0..1..0..0..2....0..0..1..1..1..1
..1..1..1..1..1..1....2..0..1..2..1..0....1..1..2..1..1..0....0..1..0..0..0..2
..2..2..2..0..0..1....2..1..1..2..0..1....2..2..0..2..2..1....1..0..2..0..0..0
..0..0..1..2..2..2....0..0..0..0..0..1....0..0..1..0..0..2....0..0..1..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 13 2013
STATUS
approved