OFFSET
1,1
COMMENTS
Column 7 of A253993
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..23
EXAMPLE
Some solutions for n=1
..0..0..0..0..1..0..1..1..1....0..0..0..0..0..0..1..1..0
..0..0..0..0..0..0..1..0..0....1..0..0..1..1..0..0..1..0
..1..0..0..0..0..1..0..0..1....0..0..0..0..0..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 21 2015
STATUS
approved