OFFSET
1,2
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..27
EXAMPLE
Some solutions for n=2
..1....1....1....1....1....1....1....1....1....1....1....1....1....1....1....1
..2....2....2....2....2....2....2....2....2....2....2....2....2....2....2....2
..3....3....3....3....3....3....3....3....3....3....3....3....3....3....3....3
..4....4....4....4....4....4....4....1....4....4....1....4....4....4....4....4
..5....5....5....5....5....1....5....4....5....5....4....5....5....5....2....5
..6....2....2....1....6....3....6....2....2....6....5....6....3....3....5....6
..2....1....4....3....2....2....4....5....6....2....2....3....6....1....4....1
..5....3....6....6....1....5....5....6....5....3....6....2....2....6....6....2
..1....6....1....5....3....6....1....4....4....6....5....6....4....4....5....3
..3....5....5....4....4....4....2....5....6....1....4....4....6....5....3....5
..4....4....6....6....5....5....6....6....3....5....3....1....1....2....1....4
..6....6....3....2....6....6....3....3....1....4....6....5....5....6....6....6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin May 23 2011
STATUS
approved