OFFSET
1,1
COMMENTS
Column 3 of A221269
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..21
EXAMPLE
Some solutions for n=3
..1..1..1....0..1..2....0..0..2....1..0..1....1..1..1....1..2..1....2..2..1
..0..2..2....1..1..1....2..0..2....2..0..2....1..2..0....0..1..0....1..0..1
..0..2..0....0..1..2....1..0..2....1..0..2....2..1..0....1..2..1....0..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 08 2013
STATUS
approved