OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=6:
..1....3....1....4....0....4....4....2....5....4....1....2....1....4....0....2
..6....4....3....6....4....6....4....5....5....6....1....3....4....6....0....5
..1....4....4....3....5....3....4....1....5....4....5....6....6....4....3....0
..6....6....2....6....5....6....6....1....4....0....4....5....4....6....6....4
..6....6....2....1....6....5....4....4....6....5....6....5....0....5....2....6
..6....3....5....5....2....1....5....6....6....5....6....5....5....6....5....6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 20 2011
STATUS
approved