OFFSET
1,1
COMMENTS
Column 7 of A224064
EXAMPLE
Some solutions for n=3
..0..0..0..0..0..2..0....0..0..0..0..0..1..0....0..0..0..0..0..0..1
..0..0..0..0..0..3..2....0..0..0..2..2..2..3....0..0..0..1..1..2..1
..0..0..0..0..1..2..3....0..0..0..1..2..3..2....0..0..0..1..2..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 30 2013
STATUS
approved