OFFSET
1,1
COMMENTS
Column 4 of A239424
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..2..1..1..2....1..2..1..1....1..2..2..2....3..1..1..2....1..2..1..2
..1..3..2..0....3..0..0..2....2..0..0..0....1..0..3..3....2..3..0..0
..1..2..0..1....3..0..0..0....2..3..0..3....1..0..2..2....2..3..2..1
..1..0..2..2....1..0..2..0....2..3..3..3....3..2..3..2....2..3..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 17 2014
STATUS
approved