OFFSET
1,1
COMMENTS
Column 7 of A231396
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..29
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0..0..0....0..0..0..0..1..1..1..1....0..0..0..0..1..1..1..0
..0..0..0..0..0..1..1..1....1..1..0..1..0..1..0..0....0..0..0..0..1..1..0..0
..0..0..0..0..1..1..1..1....1..1..1..0..1..0..0..0....0..0..0..0..1..1..0..0
..2..2..0..0..1..1..1..1....0..0..0..1..1..1..0..0....0..0..0..1..1..1..0..0
..2..2..2..0..0..1..1..1....0..0..1..1..1..1..1..0....0..0..0..1..1..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 08 2013
STATUS
approved