OFFSET
1,1
COMMENTS
Column 3 of A240284
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..3..3..1....3..1..3....3..3..1....3..1..3....3..3..1....3..3..1....3..1..3
..3..2..1....2..1..2....2..2..2....3..1..2....2..2..0....2..0..0....3..1..0
..3..1..2....2..1..1....2..1..2....2..1..1....2..1..2....2..0..1....2..1..2
..2..1..3....3..3..1....3..3..0....3..3..2....3..1..0....3..3..1....3..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 03 2014
STATUS
approved