OFFSET
1,1
COMMENTS
Column 8 of A183594
EXAMPLE
Some solutions with a(1,1)=0 for 3X9
..0..0..0..0..2..3..2..2..0....0..0..0..0..2..3..1..1..3
..2..1..2..1..0..2..1..3..3....2..1..2..1..0..2..3..2..1
..0..0..0..0..2..3..2..1..0....0..0..0..0..2..3..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved