OFFSET
1,1
COMMENTS
Row 4 of A250320
EXAMPLE
Some solutions for n=6
..2....2....2....1....1....4....1....2....4....2....0....3....3....1....2....2
..0....3....2....3....4....4....2....0....3....5....1....0....4....4....0....4
..1....4....6....4....4....1....2....3....4....6....1....1....4....3....0....5
..3....0....6....4....5....5....0....1....4....4....4....6....5....1....3....3
..2....1....4....3....3....0....0....2....2....3....4....6....1....3....3....2
..2....2....0....1....0....6....1....0....3....0....5....1....2....4....1....4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 18 2014
STATUS
approved