OFFSET
1,1
COMMENTS
Column 8 of A186806
EXAMPLE
Some solutions for 4X10
..1..0..0..0..0..1..0..0..1..1....1..0..0..0..0..1..0..0..0..0
..0..0..1..0..0..0..0..1..1..0....0..0..1..0..0..1..0..1..0..0
..0..0..0..0..0..0..1..0..1..1....0..0..0..0..0..0..0..1..1..0
..0..0..0..1..0..1..1..1..1..1....0..0..0..1..0..0..0..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 26 2011
STATUS
approved