OFFSET
1,1
COMMENTS
Column 3 of A239858
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..3..2..3....2..3..3....3..2..3....3..2..3....3..2..3....2..3..2....3..2..3
..2..1..0....3..1..2....2..1..0....2..1..2....2..1..0....3..1..3....2..1..0
..3..0..2....3..2..3....3..0..2....3..1..2....3..0..2....3..1..3....2..0..0
..2..1..0....3..1..3....3..2..0....3..2..2....2..1..2....2..3..3....2..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 28 2014
STATUS
approved