OFFSET
1,5
COMMENTS
Row 4 of A267197.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..39
EXAMPLE
Some solutions for n=8
..0..1..2..2..3..3..0..0....0..1..2..2..3..3..0..0....0..1..1..2..2..3..3..0
..1..1..2..2..3..3..0..0....0..1..2..2..3..3..0..0....1..1..2..2..3..3..0..0
..1..1..2..2..3..3..0..0....1..1..2..2..3..3..0..1....1..2..2..3..3..0..0..1
..1..1..2..2..3..3..0..1....1..1..2..2..3..3..0..1....2..2..3..3..0..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 11 2016
STATUS
approved