OFFSET
1,1
COMMENTS
Column 8 of A185521
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..72
EXAMPLE
Some solutions for 3X9
..0..0..0..0..0..0..2..0..0....0..0..0..0..2..0..0..1..1
..0..0..0..0..0..0..0..0..1....0..0..0..0..0..0..0..0..0
..0..0..0..0..0..2..0..0..0....0..0..1..0..0..0..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 29 2011
STATUS
approved