OFFSET
1,1
COMMENTS
Column 7 of A251428
EXAMPLE
Some solutions for n=4
..0....1....0....3....7....4....0....2....7....7....1....7....3....5....0....3
..4....3....6....2....4....6....3....3....5....4....2....4....5....2....0....2
..7....2....5....6....7....0....3....3....3....2....0....5....3....7....1....1
..1....3....0....1....2....0....1....6....4....1....1....1....2....5....2....3
..6....0....5....7....3....1....6....4....5....2....6....6....3....2....4....6
..1....4....5....0....2....5....7....1....6....1....7....7....4....7....3....1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 02 2014
STATUS
approved