OFFSET
1,1
COMMENTS
Column 3 of A232787
EXAMPLE
Some solutions for n=2
..2..2..2..0....1..0..0..0....1..2..1..0....0..1..1..2....1..0..0..1
..1..1..2..1....2..1..2..2....0..0..1..1....1..1..1..2....0..1..0..1
..0..0..0..2....0..2..2..2....0..0..1..2....0..0..2..2....0..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 30 2013
STATUS
approved