OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..14
EXAMPLE
Some solutions for n=3
..0..1..0..0....0..1..1..2....0..1..1..1....0..0..2..2....0..1..0..1
..1..0..0..1....1..0..2..0....1..2..0..1....0..1..0..2....1..2..1..1
..0..0..2..2....1..2..2..2....1..0..2..0....2..0..0..2....0..1..0..2
..0..1..2..0....2..0..2..1....1..1..0..0....2..2..2..0....1..1..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 28 2012
STATUS
approved