1,1
Table of n, a(n) for n=1..6.
Sequence in context: A085915 A061144 A132566 * A201555 A164554 A141908
Adjacent sequences: A151683 A151684 A151685 * A151687 A151688 A151689
nonn
N. J. A. Sloane, Jun 02 2009
approved