OFFSET
1,1
COMMENTS
Column 5 of A222573
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..53
EXAMPLE
Some solutions for n=3
..0..0..0..0..0....0..0..1..0..0....0..0..0..0..1....0..1..2..2..2
..0..0..0..1..0....0..0..0..0..0....0..0..0..0..0....0..2..2..2..2
..0..0..0..0..0....0..0..0..0..2....2..0..0..0..0....2..2..2..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 25 2013
STATUS
approved