OFFSET
1,1
COMMENTS
Diagonal of A184497
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..10
EXAMPLE
Some solutions for 3X3
..2..0..1....2..1..2....1..1..1....0..2..2....0..2..2....2..2..1....0..1..2
..1..2..2....1..2..2....1..2..2....2..2..1....2..1..2....2..1..2....2..2..0
..1..2..0....2..0..1....0..2..2....1..1..1....2..0..2....1..1..2....2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 15 2011
STATUS
approved