OFFSET
1,1
COMMENTS
Diagonal of A232515
EXAMPLE
Some solutions for n=5
..0..1..2..0..1..0....2..1..2..1..2..1....2..1..2..0..1..2....0..1..0..1..0..1
..2..1..2..0..1..2....0..1..2..1..0..1....0..1..2..0..1..0....2..1..0..1..2..1
..2..0..2..0..1..2....0..1..0..1..2..1....2..1..2..0..1..0....0..1..0..1..0..1
..1..0..1..0..1..0....0..1..2..1..0..1....2..1..2..0..1..2....2..1..2..1..0..1
..1..2..1..0..1..0....2..1..0..1..0..1....0..1..2..0..1..0....2..1..0..1..2..1
..1..0..1..2..1..2....0..1..0..1..2..1....2..1..2..0..1..2....0..1..0..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 25 2013
STATUS
approved