OFFSET
1,1
COMMENTS
Column 5 of A239858
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..40
EXAMPLE
Some solutions for n=4
..3..2..3..2..3....3..2..3..3..2....3..2..3..2..3....3..2..2..2..3
..2..1..1..1..2....2..1..1..1..3....2..1..2..3..2....2..1..0..1..2
..3..1..3..1..2....3..0..2..3..3....3..0..2..2..0....3..1..3..2..2
..2..1..1..1..2....2..1..0..2..2....3..2..2..0..2....3..2..2..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 28 2014
STATUS
approved