OFFSET
1,1
COMMENTS
Column 6 of A231396.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..162
EXAMPLE
Some solutions for n=4
..0..0..0..0..1..0..1....0..0..0..0..1..1..1....0..0..0..0..1..1..1
..0..0..0..1..0..1..0....0..0..0..1..1..1..1....0..0..0..1..1..1..1
..0..0..1..1..1..0..0....0..0..0..0..1..1..1....0..0..1..1..1..2..2
..0..0..1..1..1..0..0....0..0..0..0..0..0..0....0..0..0..1..2..2..2
..0..0..1..1..0..0..0....0..0..0..0..0..0..0....0..0..1..1..1..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 08 2013
STATUS
approved