OFFSET
1,1
COMMENTS
Column 3 of A183772(2n).
LINKS
Ron Hardin, Table of n, a(n) for n = 1..100
EXAMPLE
Some solutions for 3 X 4:
..1..0..1..0....0..0..0..0....0..1..1..1....0..0..0..1....1..0..0..1
..0..1..1..0....0..1..1..0....0..1..0..1....1..0..1..0....0..0..1..0
..0..1..0..0....0..1..0..1....0..1..1..0....1..1..0..1....1..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 06 2011
STATUS
approved