OFFSET
1,2
COMMENTS
Diagonal of A263714
EXAMPLE
Some solutions for n=7
..1....5....0....1....6....0....3....6....0....3....0....6....0....0....0....0
..0....6....4....0....2....2....0....5....1....6....3....5....1....1....1....1
..2....4....1....3....5....1....1....4....3....5....1....2....3....3....2....4
..3....2....2....2....3....3....4....3....2....4....4....3....4....2....4....2
..4....3....3....4....1....5....2....2....5....2....5....1....5....4....3....5
..6....1....5....6....4....4....5....1....4....1....2....4....6....6....6....3
..5....0....6....5....0....6....6....0....6....0....6....0....2....5....5....6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 24 2015
STATUS
approved