Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the
OEIS Foundation home page.
Table of n, a(n) for n=1..20.
Sequence in context: A001889 A032138 A032151 * A032056 A214535 A321717
Adjacent sequences: A032039 A032040 A032041 * A032043 A032044 A032045
Christian G. Bower