OFFSET
1,1
COMMENTS
Column 4 of A240376
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..3..3..2..2....3..2..3..3....3..3..2..3....2..2..3..2....2..2..2..2
..3..1..2..1....3..1..3..1....2..2..0..3....2..1..3..0....2..1..1..0
..2..2..3..2....2..1..1..0....3..1..0..2....3..3..0..0....3..1..2..1
..3..1..3..1....3..3..2..3....2..2..2..0....2..0..0..1....3..2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 04 2014
STATUS
approved