OFFSET
1,1
COMMENTS
Column 5 of A186962
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..19
EXAMPLE
Some solutions for 4X7
..0..0..1..1..0..0..1....0..0..1..1..2..0..2....0..0..1..0..2..0..0
..0..0..0..2..2..2..1....0..0..0..1..1..0..0....0..0..0..1..2..2..2
..0..0..0..0..0..0..1....0..0..0..0..0..0..1....0..0..0..0..1..1..1
..0..0..0..0..0..0..0....0..0..0..0..0..1..2....0..0..0..0..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 01 2011
STATUS
approved