OFFSET
1,1
COMMENTS
Column 5 of A223473
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..29
EXAMPLE
Some solutions for n=4
..0..1..2..1..2....0..1..0..1..2....0..1..0..1..0....0..1..2..0..2
..2..0..0..0..0....2..2..2..2..0....2..1..1..1..2....2..0..0..1..0
..1..0..0..0..2....1..0..1..2..1....1..1..2..1..1....1..0..2..0..2
..0..2..1..0..1....2..0..2..2..0....2..0..1..0..2....2..0..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 20 2013
STATUS
approved