OFFSET
1,1
COMMENTS
Column 6 of A186553
EXAMPLE
Some solutions for 4X8
..0..0..0..2..1..3..0..2....0..0..0..2..2..3..0..2....0..0..0..2..2..1..0..2
..0..0..0..0..2..2..2..1....0..0..0..0..0..2..0..2....0..0..0..0..0..0..2..1
..0..0..0..0..0..0..1..0....0..0..0..0..0..2..0..0....0..0..0..0..0..2..2..1
..0..0..0..0..0..0..3..2....0..0..0..0..0..0..1..1....0..0..0..0..0..0..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 23 2011
STATUS
approved