OFFSET
1,1
COMMENTS
Column 2 of A187600
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for 6X4
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..1..0..0..1....1..0..0..1....1..0..0..1....1..0..0..1....1..0..0..1
..0..0..0..0....1..0..0..0....0..0..0..0....1..0..0..0....0..0..0..0
..2..2..2..2....0..2..1..1....0..2..1..1....0..2..1..0....1..2..0..2
..1..0..1..0....0..0..2..2....2..2..0..0....2..0..1..2....2..2..2..1
..0..2..0..1....2..1..1..1....1..1..2..2....2..1..0..0....2..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 11 2011
STATUS
approved