OFFSET
1,2
COMMENTS
Column 6 of A230819
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..38
EXAMPLE
Some solutions for n=4
..0..1..2..1..0..2....0..2..1..0..2..1....0..2..0..1..2..0....0..1..2..0..2..1
..2..1..0..1..2..1....1..0..2..0..2..0....1..1..2..0..0..1....2..0..0..1..2..0
..0..1..2..0..0..0....2..0..2..1..1..1....2..0..0..1..2..2....1..0..0..2..1..0
..2..1..0..2..1..2....0..1..2..0..0..2....0..1..2..0..1..0....0..2..1..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 30 2013
STATUS
approved