OFFSET
1,6
COMMENTS
Row 3 of A266886.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..88
EXAMPLE
Some solutions for n=7
..0..0..1..1..2..2..2....0..0..2..2..1..1..0....0..0..0..2..2..2..1
..2..0..0..1..1..1..2....2..2..2..1..1..0..0....0..0..2..2..1..1..1
..2..2..0..0..0..1..1....2..1..1..1..0..0..2....0..2..2..1..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2016
STATUS
approved