OFFSET
1,2
COMMENTS
Diagonal of A204084
EXAMPLE
Some solutions for n=5
..3..0..0..0..1....3..0..0..0..1....1..1..0..1..2....1..0..2..0..0
..1..1..1..1..1....1..1..1..1..1....0..2..0..1..0....1..0..1..1..1
..0..2..1..1..0....0..3..3..0..0....0..0..3..2..0....0..3..3..1..2
..0..0..0..0..0....0..2..3..1..1....1..1..1..0..1....0..1..0..0..0
..1..1..3..1..1....1..1..0..0..1....3..0..0..0..1....2..1..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 10 2012
STATUS
approved