OFFSET
1,2
COMMENTS
Row 3 of A265241.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..109
EXAMPLE
Some solutions for n=4
..0..0..0..0....0..0..1..0....0..1..1..1....0..1..0..2....0..0..1..1
..1..1..2..2....2..2..1..2....2..0..2..0....0..1..1..1....2..2..0..1
..2..1..1..2....1..2..1..0....2..0..2..1....2..2..0..2....0..1..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 06 2015
STATUS
approved