110 people attended OEIS-50 (videos, suggestions); annual fundraising drive to start soon (donate); editors, please edit! (stack is over 300), your editing is more valuable than any donation.
Table of n, a(n) for n=0..19.
Sequence in context: A198657 A055759 A086946 * A171319 A007655 A208383
Adjacent sequences: A158527 A158528 A158529 * A158531 A158532 A158533
N. J. A. Sloane, Nov 11 2009