OFFSET
1,1
COMMENTS
Diagonal of A200974
EXAMPLE
Some solutions for n=3
..1..4..3....0..2..4....0..1..1....0..1..2....0..0..2....0..0..0....1..2..3
..2..6..5....2..5..4....1..1..4....2..2..5....2..4..3....0..2..4....5..5..6
..3..5..4....2..5..5....4..5..6....3..5..6....1..5..5....4..5..5....3..6..6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 25 2011
STATUS
approved