OFFSET
1,1
COMMENTS
Column 6 of A223811
EXAMPLE
Some solutions for n=3
..0..0..0..2..3..1....0..0..0..1..3..2....0..0..0..2..2..1....0..0..0..1..2..0
..0..0..0..2..2..1....0..0..0..3..3..0....0..0..0..1..0..0....0..0..0..2..3..3
..0..0..0..0..2..2....0..0..1..1..1..0....0..0..0..0..0..0....0..0..0..2..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 27 2013
STATUS
approved