OFFSET
1,1
COMMENTS
Column 7 of A219714
EXAMPLE
Some solutions for n=3
..2..1..0..0..0..0..0....2..2..1..1..0..0..0....2..2..0..0..0..0..0
..1..0..0..0..0..0..2....2..2..1..0..0..0..3....2..2..0..0..0..0..1
..1..0..1..1..1..0..0....3..2..1..0..1..1..3....3..3..2..0..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 26 2012
STATUS
approved