OFFSET
1,1
COMMENTS
Column 4 of A239599
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..3..2..2..0....2..0..0..3....3..0..0..0....3..0..0..0....3..0..0..0
..2..1..0..2....2..0..3..3....2..3..3..2....2..3..2..0....2..3..0..2
..3..2..2..0....3..2..2..2....3..1..1..2....3..1..2..0....3..2..2..2
..2..3..2..0....2..1..0..0....3..2..2..2....3..2..3..2....2..3..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 22 2014
STATUS
approved