OFFSET
1,1
COMMENTS
Column 4 of A241054
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..2..2....3..3..2..2....3..3..2..3....3..3..2..2
..2..1..1..0....2..1..1..3....2..1..1..3....2..1..1..0....2..1..1..0
..3..1..2..0....2..1..1..3....3..3..1..3....3..3..2..2....3..3..2..3
..3..2..0..0....2..0..1..3....2..2..3..3....2..0..2..3....2..1..3..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 15 2014
STATUS
approved