OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=6:
..2....1....1....5....3....4....0....0....4....5....0....3....3....1....4....4
..6....2....6....5....4....6....1....3....4....6....4....4....5....1....5....4
..1....4....3....5....5....4....1....5....2....5....6....0....6....2....5....6
..3....2....5....1....6....6....2....1....5....5....5....1....2....5....2....1
..5....6....1....3....6....6....5....3....3....4....1....4....2....2....4....1
..4....0....3....1....6....3....3....5....0....6....4....2....5....4....2....6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 18 2011
STATUS
approved