OFFSET
1,1
COMMENTS
Column 4 of A250574.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=1
..1..0..1..1..0..1....0..1..1..0..0..1....0..0..0..1..0..1....0..0..1..0..1..1
..0..1..1..1..1..1....0..0..0..1..0..1....1..1..0..0..1..1....0..0..0..0..0..0
..1..0..1..0..1..1....0..0..0..1..1..0....1..1..1..1..0..1....0..1..0..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 25 2014
STATUS
approved