OFFSET
1,1
COMMENTS
Diagonal of A206094.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..20
EXAMPLE
Some solutions for n=4:
..1..0..2..1..1....2..0..1..0..0....1..2..2..1..0....2..0..2..2..0
..1..0..0..2..1....2..0..0..2..0....0..1..2..2..1....2..2..0..2..2
..0..2..0..0..2....0..2..0..0..1....0..0..1..2..2....1..2..2..0..2
..0..0..2..0..0....0..0..1..0..0....2..0..0..1..2....0..1..2..2..0
..1..0..0..2..2....1..0..0..1..1....0..1..0..0..1....0..0..1..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 03 2012
STATUS
approved