OFFSET
1,1
COMMENTS
Column 4 of A183541
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..18
EXAMPLE
Some solutions for 3X4
..2..2..0..0....0..0..2..2....2..2..3..3....1..3..1..1....3..0..2..1
..0..0..0..0....0..2..2..0....0..1..2..0....2..0..1..2....3..3..3..3
..2..2..0..0....0..0..2..2....1..2..3..3....0..3..2..0....1..2..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved