OFFSET
1,1
COMMENTS
Column 4 of A209716.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..3..0..0..1....3..1..0..0..3....1..1..3..3..0....3..0..3..3..0
..1..1..3..1..3....0..1..3..1..0....3..0..1..0..2....0..1..0..2..2
..3..0..2..3..2....1..3..0..3..3....1..1..3..0..3....0..3..0..3..0
..3..1..0..0..2....2..1..3..1..0....3..0..0..1..3....0..1..3..1..3
..0..3..3..2..1....1..3..2..3..2....1..3..2..0..1....3..3..0..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 11 2012
STATUS
approved