OFFSET
1,1
COMMENTS
Column 6 of A218181
EXAMPLE
Some solutions for n=3
..0..0..1..2..1..1....0..0..0..2..0..0....0..0..2..0..0..0....0..0..0..3..0..1
..0..0..1..2..2..1....0..0..1..1..1..0....0..0..0..0..0..0....0..0..1..0..0..0
..0..1..1..1..1..1....0..1..1..2..0..0....0..1..0..0..0..0....0..0..3..3..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 22 2012
STATUS
approved