login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A114642 a(n) = 2^(log_{2}(a(n-2))+a(n-1)), a(1)=1, a(2)=2. 0
1, 2, 4, 32, 17179869184 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..5.

CROSSREFS

Cf. A112237, A112866.

Sequence in context: A122216 A100117 A073888 * A200980 A178811 A099433

Adjacent sequences:  A114639 A114640 A114641 * A114643 A114644 A114645

KEYWORD

nonn

AUTHOR

Yasutoshi Kohmoto, Feb 18 2006

EXTENSIONS

Definition adapted to offset by Georg Fischer, Jun 18 2021

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 30 17:12 EST 2021. Contains 349424 sequences. (Running on oeis4.)