OFFSET
1,2
COMMENTS
Diagonal of A199101
EXAMPLE
Some solutions for n=3
..0..1..0....0..0..1....0..1..2....0..1..2....0..1..0....0..1..2....0..0..1
..2..2..1....2..1..1....2..1..0....2..2..1....2..1..2....0..1..2....2..2..1
..2..0..1....2..0..2....0..1..2....1..0..0....0..1..2....2..0..1....2..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 02 2011
STATUS
approved