OFFSET
1,2
COMMENTS
Row 5 of A212930.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..15
EXAMPLE
Some solutions for n=3
..1..1..1....0..2..0....1..0..2....1..0..1....0..0..2....2..2..2....2..0..2
..1..0..0....0..1..1....0..1..0....1..2..2....1..0..1....1..1..0....2..0..1
..1..2..2....1..0..1....0..0..2....2..1..2....2..0..2....2..2..0....2..1..2
..0..0..0....2..2..1....1..0..0....2..2..1....0..2..2....1..0..1....1..2..1
..2..0..2....0..1..1....2..0..0....2..1..1....2..0..2....2..0..2....0..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin May 31 2012
STATUS
approved