OFFSET
1,1
COMMENTS
Column 6 of A222587.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..16
EXAMPLE
Some solutions for n=3
..0..0..1..1..1..1....0..0..0..1..2..1....0..0..0..0..1..1....0..0..0..1..2..2
..0..0..0..1..1..1....0..0..0..0..2..2....0..0..0..0..1..1....0..0..0..0..0..0
..0..0..0..2..0..1....0..0..0..0..2..2....2..0..0..0..0..1....0..0..0..0..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 25 2013
STATUS
approved