OFFSET
1,1
COMMENTS
Column 4 of A267933.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..45
EXAMPLE
Some solutions for n=2
..1..3..2..3....1..1..3..0....0..3..0..2....3..0..3..2....3..1..0..2
..3..0..3..0....1..0..0..1....2..0..1..3....2..0..0..3....0..2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 22 2016
STATUS
approved