OFFSET
1,1
COMMENTS
Column 6 of A209517.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4:
..2..2..1..1..1..1..0....0..2..0..1..2..2..1....2..0..1..2..1..0..1
..0..0..2..1..1..1..0....1..0..2..0..1..2..1....1..2..0..1..0..1..1
..2..2..2..1..1..1..0....2..1..0..2..0..1..0....1..1..2..0..1..1..1
..1..1..1..2..1..1..1....2..1..1..0..2..0..0....0..0..1..2..0..0..0
..2..1..1..2..1..2..1....1..0..0..0..0..2..2....1..0..0..1..2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 09 2012
STATUS
approved