OFFSET
1,1
COMMENTS
Column 7 of A181262
LINKS
R. H. Hardin, Table of n, a(n) for n=1..46
EXAMPLE
Some solutions for 3X9
..0..0..1..0..0..1..0..0..1....0..0..0..1..0..0..0..0..1
..1..1..1..1..1..1..1..0..1....0..0..1..0..0..1..0..1..0
..0..0..0..0..0..0..0..1..0....1..1..1..0..1..1..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 10 2010
STATUS
approved