OFFSET
1,1
COMMENTS
Column 1 of A203638
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..625
EXAMPLE
All solutions for n=5
..0....1....0....0....1....1....1....0
..0....1....0....0....1....0....1....1
..1....0....1....0....1....0....0....1
..1....0....1....1....0....1....0....0
..1....1....0....1....0....1....0....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2012
STATUS
approved