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1,1
These are the "outputs" in Conway's PRIMEGAME (see A007542). - Alonso del Arte, Jan 03 2011
Table of n, a(n) for n=1..18.
Index to divisibility sequences
a(4) = 2^7 = 128.
2^Prime@Range@40 (* Vladimir Joseph Stephan Orlovsky, Apr 11 2011 *)
(Haskell)
a034785 n = a034785_list !! (n-1)
a034785_list = map (2 ^) a000040_list -- Reinhard Zumkeller, Jan 24 2012
(PARI) a(n)=1<<prime(n) \\ Charles R Greathouse IV, Apr 07 2012
Cf. A000430, A073718 2^(n-th composite).
Sequence in context: A113479 A103970 A227295 * A072868 A075398 A098579
Adjacent sequences: A034782 A034783 A034784 * A034786 A034787 A034788
easy,nonn
Asher Auel (asher.auel(AT)reed.edu)
More terms from James A. Sellers, Feb 04 2000
approved
