OFFSET
1,1
COMMENTS
Column 7 of A186019
EXAMPLE
Some solutions for 4X9
..2..0..2..0..2..0..0..0..0....2..0..2..0..2..2..3..1..2
..0..0..0..0..0..0..0..3..0....0..0..0..0..0..0..0..3..2
..0..0..0..0..0..0..0..0..3....0..0..0..0..0..0..0..2..2
..0..0..0..1..0..2..0..2..1....0..0..0..1..0..2..0..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 10 2011
STATUS
approved