OFFSET
1,1
COMMENTS
Column 3 of A268169.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..0..3....0..2..0....0..2..0....0..3..0....0..0..2....0..1..2....0..0..2
..1..3..1....2..3..2....1..2..3....1..0..1....0..2..0....2..0..3....1..1..2
..2..1..0....1..0..2....1..0..1....2..1..3....1..3..1....0..2..2....3..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 27 2016
STATUS
approved