OFFSET
1,1
COMMENTS
Diagonal of A236065
EXAMPLE
Some solutions for n=3
..1..2..0..1....1..2..0..2....0..1..1..0....2..2..0..1....2..2..0..1
..0..0..2..1....2..2..1..1....1..2..1..2....1..2..1..1....2..1..2..1
..0..1..1..1....1..0..1..1....2..0..0..2....0..2..2..1....2..0..1..1
..2..1..2..0....1..0..0..2....1..0..0..1....0..0..0..0....1..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 18 2014
STATUS
approved