login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A101331 Fermat(Mersenne(x)) = 2^(2^(2^x-1))+1 0
3, 5, 257, 340282366920938463463374607431768211457 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Fermat-Mersenne numbers.

LINKS

Table of n, a(n) for n=0..3.

EXAMPLE

F(M(0))= 3

F(M(1))= 5

F(M(2))= 257

F(M(3))= 340282366920938463463374607431768211457

PROG

(PARI) for(x=0, 4, print( ( 2^(2^(2^x-1))+1 )))

CROSSREFS

Sequence in context: A268535 A268695 A167483 * A232239 A087368 A280035

Adjacent sequences:  A101328 A101329 A101330 * A101332 A101333 A101334

KEYWORD

nonn

AUTHOR

Jorge Coveiro, Dec 24 2004

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 February 17 10:59 EST 2019. Contains 320219 sequences. (Running on oeis4.)