OFFSET
1,2
COMMENTS
Row 5 of A221755
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..22
EXAMPLE
Some solutions for n=4
..0..2..1..1....0..2..1..1....0..2..2..1....0..2..1..2....1..1..1..1
..1..1..1..1....1..1..2..1....1..0..1..1....1..0..2..0....0..2..0..2
..1..1..0..2....0..1..2..0....0..2..2..1....0..2..1..1....2..0..2..0
..1..1..2..0....0..2..1..1....1..1..0..1....1..1..2..1....0..2..1..1
..2..0..1..1....1..1..2..0....1..1..2..0....1..0..1..1....1..1..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 24 2013
STATUS
approved