login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A100626 Numbers of the form 2^(2p+1) where p is prime. 2

%I #13 Sep 08 2022 08:45:15

%S 32,128,2048,32768,8388608,134217728,34359738368,549755813888,

%T 140737488355328,576460752303423488,9223372036854775808,

%U 37778931862957161709568,9671406556917033397649408,154742504910672534362390528,39614081257132168796771975168,162259276829213363391578010288128

%N Numbers of the form 2^(2p+1) where p is prime.

%H Michael De Vlieger, <a href="/A100626/b100626.txt">Table of n, a(n) for n = 1..260</a>

%e 2^(2*3 + 1) = 128.

%t Table[2^(2 p + 1), {p, Prime@ Range@ 16}] (* _Michael De Vlieger_, Jan 20 2018 *)

%o (Magma) [(2^(2*p+1)): p in PrimesUpTo(70)]; // _Vincenzo Librandi_, Feb 04 2011

%Y Cf. A004171.

%K nonn

%O 1,1

%A _Parthasarathy Nambi_, Dec 02 2004

%E a(8)-a(16) from _Vincenzo Librandi_, Feb 04 2011

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)