OFFSET
1,2
COMMENTS
Column 3 of A199246
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..64
EXAMPLE
Some solutions for n=4
..0..1..2....0..1..2....0..1..2....0..1..2....0..1..0....0..1..2....0..1..0
..1..2..0....2..0..1....1..2..0....2..0..1....1..0..1....1..2..0....2..0..1
..2..0..1....1..2..0....0..1..2....0..1..2....2..2..0....2..0..1....1..2..0
..0..1..2....2..0..1....2..0..1....2..0..1....2..2..1....1..2..0....2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 04 2011
STATUS
approved