OFFSET
1,1
COMMENTS
Diagonal of A232579.
EXAMPLE
Some solutions for n=2
..0..0..2....0..1..2....0..1..0....2..0..1....2..2..2....2..1..2....0..1..0
..1..2..1....1..2..0....1..2..2....1..2..1....1..1..0....1..0..0....2..0..1
..2..1..0....2..1..0....2..0..1....2..0..2....0..1..2....0..2..1....1..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2013
STATUS
approved