OFFSET
1,1
COMMENTS
Column 3 of A250868
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..80
EXAMPLE
Some solutions for n=1
..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
..2..2..0..3..2....0..3..3..0..3....0..0..0..3..2....2..0..1..2..3
..1..0..0..2..3....2..1..1..3..2....0..1..3..3..2....0..0..0..0..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 28 2014
STATUS
approved