OFFSET
1,2
COMMENTS
Row 3 of A266861.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..105
EXAMPLE
Some solutions for n=4
..0..2..1..1....0..2..1..0....0..2..0..1....0..1..0..2....0..1..1..2
..0..2..1..0....2..1..1..0....2..1..2..0....2..1..0..2....2..1..0..2
..0..2..1..2....2..1..0..2....1..0..1..2....2..1..0..1....2..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 04 2016
STATUS
approved