OFFSET
1,1
COMMENTS
Column 4 of A224113
EXAMPLE
Some solutions for n=3
..0..0..2..2....0..0..1..0....0..2..1..0....0..0..2..2....2..2..3..2
..2..0..3..0....0..2..2..2....2..0..3..0....0..2..3..0....2..2..1..0
..0..2..1..2....2..0..2..2....0..2..1..2....3..3..1..2....0..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 31 2013
STATUS
approved