OFFSET
1,1
COMMENTS
Column 4 of A198209
EXAMPLE
Some solutions for n=3
..0..1..0..2..1..2..2..1....0..1..0..2..1..1..3..0....0..1..0..2..0..3..3..2
..1..1..0..2..1..1..1..0....1..1..0..2..0..0..3..3....1..1..0..2..0..0..0..1
..0..0..0..2..0..0..1..0....0..0..0..2..0..0..2..2....0..0..0..2..2..2..0..1
..1..1..1..2..0..0..1..1....1..1..1..2..2..2..2..1....1..1..1..1..1..2..0..0
..0..0..1..2..2..2..0..0....0..0..1..0..0..0..0..1....0..0..0..0..1..2..1..1
..3..0..1..3..3..2..0..2....3..0..1..0..1..1..0..2....1..2..2..0..1..2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 22 2011
STATUS
approved