OFFSET
1,1
COMMENTS
Column 1 of A187676
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..136
EXAMPLE
Some solutions for 4X3
..0..0..2....0..2..0....0..0..0....0..0..0....2..2..2....2..2..0....2..2..0
..0..2..2....2..2..2....2..0..0....0..0..2....2..0..0....0..2..0....2..2..2
..0..3..2....2..2..3....2..2..2....3..1..0....3..1..2....0..3..2....2..3..2
..2..2..3....2..0..0....0..3..3....2..1..1....3..1..3....2..1..0....1..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 12 2011
STATUS
approved