OFFSET
1,1
COMMENTS
Column 4 of A183508
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..15
EXAMPLE
Some solutions for 3X4
..2..2..0..3....0..2..3..3....2..0..2..0....2..2..1..1....2..2..0..1
..3..1..0..2....1..0..0..1....1..3..1..0....1..0..3..1....1..1..2..2
..1..1..2..2....2..2..3..3....2..2..2..0....0..0..3..3....3..1..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved