OFFSET
1,2
COMMENTS
Column 6 of A211700.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
All solutions for n=5
..0....0....0....0....0
..0....0....0....0....0
..0....0....0....0....0
..0....0....0....0....0
..0....0....0....0....0
..0....0....0....0....0
..0....1....0....0....0
..0....1....0....0....1
..0....1....1....0....1
..1....1....1....0....1
..1....1....1....0....1
..1....1....1....0....1
..1....1....1....0....1
..1....1....1....0....1
..1....1....1....0....1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 19 2012
STATUS
approved