OFFSET
1,1
COMMENTS
Column 3 of A241283.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..3..2..3....3..2..3....3..2..3....3..2..3....3..3..2....3..2..3....3..2..3
..2..1..2....2..1..2....2..1..2....2..1..2....2..1..3....0..3..2....0..3..2
..2..2..0....0..0..2....0..0..0....2..2..0....3..1..2....0..2..0....0..2..2
..0..2..0....2..0..0....0..2..2....0..0..3....2..2..2....0..0..0....0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 18 2014
STATUS
approved