OFFSET
1,2
COMMENTS
Column 3 of A222918
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..169
EXAMPLE
Some solutions for n=3
..0..1..2....0..1..0....0..1..2....0..1..0....0..1..2....0..1..0....0..1..1
..2..2..0....2..1..2....2..0..0....2..2..2....1..0..1....0..2..1....2..0..2
..0..2..1....1..1..0....0..1..0....0..2..0....2..2..0....1..2..0....1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 09 2013
STATUS
approved