OFFSET
1,1
COMMENTS
Column 7 of A217547
EXAMPLE
Some solutions for n=3
..2..1..1..1..1..0..0....0..0..1..1..1..1..2....0..0..2..1..1..1..2
..0..0..1..1..1..0..0....0..0..1..1..1..0..0....0..0..0..0..1..1..1
..0..0..1..2..1..0..0....2..2..2..2..1..0..0....0..0..0..0..2..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 06 2012
STATUS
approved