OFFSET
1,1
COMMENTS
Diagonal of A229320
EXAMPLE
Some solutions for n=3
..2..1..3....3..1..1....2..1..2....2..2..2....0..1..2....1..2..3....1..0..2
..0..2..1....2..0..2....1..2..1....1..1..0....1..2..0....2..3..0....2..2..2
..2..0..1....0..2..0....2..0..1....3..0..1....3..2..3....1..0..2....3..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 19 2013
STATUS
approved