OFFSET
1,3
COMMENTS
Row 7 of A265991.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..1..2..2..1....1..3..1..1....1..3..1..1....1..3..1..1....1..3..1..1
..1..1..1..1....1..1..4..2....1..1..4..2....1..1..3..2....1..1..4..2
..1..3..3..1....1..3..3..1....1..3..3..1....1..3..4..2....1..3..3..2
..1..1..1..1....2..4..1..1....1..1..1..1....2..3..3..2....2..4..3..2
..1..3..3..1....1..1..3..1....1..4..3..1....2..4..3..1....2..3..4..1
..2..4..1..1....1..3..1..1....2..3..1..1....2..3..1..1....1..1..1..1
..1..1..3..1....1..1..3..1....1..1..3..1....1..1..3..1....1..2..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 19 2015
STATUS
approved