OFFSET
1,1
COMMENTS
Diagonal of A206150.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..13
EXAMPLE
Some solutions for n=4:
..2..1..0..2..1....0..2..1..2..0....1..2..0..2..0....0..1..0..1..2
..0..2..1..0..2....1..0..2..1..2....0..1..2..1..2....1..0..1..0..1
..1..0..2..1..0....0..2..1..0..1....1..2..0..2..0....0..1..0..1..2
..2..1..0..2..1....1..0..2..1..0....0..1..2..0..2....1..2..1..2..1
..0..2..1..0..2....2..1..0..2..1....1..0..1..2..1....0..1..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 04 2012
STATUS
approved