OFFSET
1,1
COMMENTS
Column 7 of A219883
EXAMPLE
Some solutions for n=3
..2..1..1..1..1..0..0....1..1..1..0..0..0..0....1..0..0..0..0..0..0
..2..1..1..0..0..0..0....1..1..1..0..0..0..0....1..0..0..0..0..0..0
..2..1..1..0..0..0..0....2..1..1..0..1..0..2....2..0..0..0..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 30 2012
STATUS
approved