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=1..20.
Sequence in context: A126033 A007863 A030823 * A030913 A181066 A030945
Adjacent sequences: A030870 A030871 A030872 * A030874 A030875 A030876