OFFSET
1,1
COMMENTS
Diagonal of A201836
EXAMPLE
Some solutions for n=3
..0..3..3....0..1..2....0..2..2....0..2..2....1..1..2....0..0..1....1..2..2
..0..3..3....0..1..2....2..2..3....2..2..3....1..2..2....1..1..2....1..3..2
..0..3..3....0..2..2....2..3..3....2..2..3....2..2..3....2..3..3....2..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 05 2011
STATUS
approved