OFFSET
1,3
COMMENTS
Column 6 of A215075
EXAMPLE
Some solutions for n=9
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..1....1....1....1....1....1....1....1....1....1....1....1....1....1....1....1
..0....2....2....2....0....2....0....2....0....2....2....0....2....2....2....2
..2....3....3....0....2....3....2....3....2....3....0....2....3....1....0....0
..3....2....0....3....3....2....3....2....0....4....3....3....1....3....2....3
..4....0....4....4....0....4....2....1....3....0....4....4....2....1....1....2
..5....4....5....5....2....2....1....0....1....3....3....3....0....4....2....0
..2....5....2....1....0....3....0....2....2....4....0....5....4....0....3....1
..5....1....4....5....3....2....3....1....1....3....2....6....3....3....4....4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 02 2012
STATUS
approved