The OEIS Foundation is grateful to everyone who made a donation during our Annual Appeal. Visit the new and spectacular Pictures from the OEIS page!
For a guide to related sequences, see A204892.
Table of n, a(n) for n=1..45.
(See the program at A205386.)
Cf. A205386, A204892.
Sequence in context: A128535 A180753 A220971 * A204265 A081086 A019514
Adjacent sequences: A205387 A205388 A205389 * A205391 A205392 A205393
Clark Kimberling, Jan 27 2012