OFFSET
1,1
COMMENTS
Column 8 of A184604.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..19
EXAMPLE
Some solutions for 3 X 9:
..0..0..1..1..1..0..0..1..1....0..0..0..0..1..1..0..0..0
..0..0..0..0..1..0..0..0..1....0..0..0..1..1..1..1..1..0
..0..0..0..1..0..1..1..1..1....0..0..0..0..1..1..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 18 2011
STATUS
approved