OFFSET
1,1
COMMENTS
Row 3 of A266681.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..72
EXAMPLE
Some solutions for n=4
..0..2..1..2....0..2..1..2....0..2..0..1....0..0..2..0....0..1..2..1
..1..0..1..0....2..0..2..1....1..2..1..2....0..2..2..1....1..2..0..2
..2..1..2..0....0..1..0..1....2..0..1..0....1..2..1..1....1..0..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 02 2016
STATUS
approved