OFFSET
1,1
COMMENTS
Column 4 of A223149
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..54
EXAMPLE
Some solutions for n=3
..0..1..2..1....0..1..0..1....0..1..2..1....0..1..2..0....0..1..0..1
..1..0..0..1....2..1..2..0....1..1..0..2....2..0..1..0....2..1..2..1
..2..1..2..0....2..0..2..1....1..2..1..0....1..0..2..1....1..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 16 2013
STATUS
approved