OFFSET
1,2
COMMENTS
Column 5 of A200154
EXAMPLE
Some solutions for n=6
..4....3....3....0....4....1....5....3....0....5....5....5....5....5....4....5
..4....5....3....2....4....3....3....1....1....0....3....4....1....0....0....4
..1....0....4....1....0....4....3....2....3....2....4....2....2....3....3....5
..1....0....3....1....0....3....3....2....2....4....5....1....3....4....4....5
..4....5....1....3....4....1....3....1....0....4....5....1....3....2....2....4
..4....3....3....5....4....1....5....3....5....5....5....0....5....5....4....5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 13 2011
STATUS
approved