OFFSET
1,2
COMMENTS
Diagonal of A233239
EXAMPLE
Some solutions for n=3
..0..1..1....0..1..2....0..1..2....0..0..1....0..1..5....0..1..2....0..1..1
..2..0..1....2..1..1....2..0..2....4..0..4....2..1..0....0..1..1....1..0..0
..3..0..4....1..5..1....1..1..1....4..2..4....0..2..2....2..0..0....0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 06 2013
STATUS
approved