OFFSET
1,2
COMMENTS
Row 5 of A222488
EXAMPLE
Some solutions for n=4
..0..0..0..0....0..0..0..0....0..0..1..1....0..1..1..1....0..0..0..0
..1..0..0..0....0..0..0..0....0..0..1..2....1..1..1..0....0..0..0..0
..2..0..2..0....0..0..0..1....1..0..0..0....1..1..1..1....0..0..1..1
..0..0..0..0....0..0..2..0....0..0..0..0....1..1..1..0....0..0..1..1
..0..0..0..0....0..0..0..1....0..0..0..0....1..1..1..1....0..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 22 2013
STATUS
approved