OFFSET
1,1
COMMENTS
Column 5 of A220943
EXAMPLE
Some solutions for n=3
..0..1..4..2..1....0..1..1..0..1....0..1..0..2..2....0..1..0..1..1
..0..1..1..1..0....0..3..1..1..3....0..3..2..0..2....0..3..2..0..3
..0..1..0..1..2....0..1..1..1..1....0..2..0..1..0....0..2..2..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 25 2012
STATUS
approved