OFFSET
1,1
COMMENTS
Diagonal of A250536
EXAMPLE
Some solutions for n=2
..0..1..1....1..1..2....1..1..2....0..0..1....0..1..1....0..0..3....1..0..2
..2..1..2....0..3..1....1..1..3....1..1..1....2..0..1....2..3..3....0..1..2
..1..3..1....3..0..3....2..2..3....1..1..3....0..3..2....3..2..3....1..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 24 2014
STATUS
approved