OFFSET
1,1
COMMENTS
Column 3 of A223473
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..189
EXAMPLE
Some solutions for n=4
..0..1..1....0..1..2....0..0..1....0..0..1....0..1..0....0..1..0....0..1..2
..2..1..2....2..1..0....1..2..0....1..2..0....2..1..2....2..0..2....2..1..0
..1..1..0....0..1..2....0..0..1....0..0..1....0..0..1....1..1..1....1..1..2
..0..2..1....2..1..0....1..0..2....2..0..2....2..1..2....0..2..0....2..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 20 2013
STATUS
approved