OFFSET
1,1
COMMENTS
Column 6 of A219460
EXAMPLE
Some solutions for n=3
..0..0..0..1..3..3....0..0..1..1..1..3....2..1..1..1..1..2....0..0..1..2..2..3
..0..0..0..0..0..3....0..0..0..0..0..2....1..1..1..0..0..0....0..0..0..2..2..3
..3..2..0..0..0..3....2..1..0..0..0..2....1..1..1..0..0..0....0..0..0..3..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 20 2012
STATUS
approved