OFFSET
1,6
COMMENTS
Column 1 of A209007.
EXAMPLE
All solutions for n=11:
.-1...-1...-1...-1...-1....0...-1...-1...-1...-1...-1...-1...-1
.-1...-1...-1...-1...-1....0...-1...-1...-1...-1...-1...-1...-1
.-1....0...-1....0...-1....0....0....0...-1...-1...-1....0....0
.-1....0....0....0....0....0....0....1....0....0...-1....0....0
..0....0....1....0....0....0....0....1....0....0....0....1....0
..0....0....1....1....1....0....0....0....0....0....1....1....0
..1....0....1....1....1....0....1....0....0....1....1....0....0
..1....0....0....0....1....0....1....0....1....1....1....0....1
..1....1....0....0....0....0....0....0....1....1....1....0....1
..1....1....0....0....0....0....0....0....1....0....0....0....0
..0....0....0....0....0....0....0....0....0....0....0....0....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 04 2012
STATUS
approved