OFFSET
1,1
COMMENTS
Column 5 of A223165
EXAMPLE
Some solutions for n=3
..1..0..0..1..2....2..0..0..1..3....0..0..0..1..1....0..0..2..2..1
..2..0..0..0..3....2..0..0..0..2....0..0..0..2..0....0..0..0..0..2
..3..1..3..3..2....2..1..1..3..3....0..0..0..3..3....3..0..2..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 16 2013
STATUS
approved