OFFSET
1,1
COMMENTS
Row 6 of A240284.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..54
EXAMPLE
Some solutions for n=3
..3..1..3....3..1..3....3..1..3....3..1..3....3..1..3....3..1..3....3..1..3
..3..1..3....3..1..2....3..1..3....3..2..3....3..1..3....2..0..2....2..0..0
..3..1..3....2..1..1....2..1..3....3..2..3....3..2..3....2..1..1....2..1..2
..2..2..2....3..3..1....3..3..2....2..0..0....2..1..2....3..3..1....3..1..2
..2..1..3....3..1..2....2..2..0....3..1..2....3..1..2....2..1..3....3..2..0
..2..1..1....2..2..2....2..1..3....2..2..2....3..2..1....3..1..2....2..1..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 03 2014
STATUS
approved