Now is the time of year when we ask all users of the OEIS for their annual support.
Click here to donate
to the OEIS Foundation using PayPal or in other ways.
Table of n, a(n) for n=0..25.
For denominators see A157818.
Sequence in context: A041563 A042657 A031875 * A118718 A058781 A100462
Adjacent sequences: A157814 A157815 A157816 * A157818 A157819 A157820
N. J. A. Sloane, Nov 08 2009