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A100629 a(n) = 2^(5*prime(n) + 1). 0

%I #14 Sep 08 2022 08:45:15

%S 2048,65536,67108864,68719476736,72057594037927936,

%T 73786976294838206464,77371252455336267181195264,

%U 79228162514264337593543950336,83076749736557242056487941267521536,89202980794122492566142873090593446023921664

%N a(n) = 2^(5*prime(n) + 1).

%F a(n) = A013822(prime(n)) = A013822(A000040(n)). - _Michel Marcus_, Aug 27 2015

%e a(1) = 2^(5*2 + 1) = 2048.

%t Do[Print[2^(5Prime[n] + 1)], {n, 1, 10}] (* _Stefan Steinerberger_, Feb 15 2006 *)

%o (Magma) [2^(5*NthPrime(n) + 1): n in [1..20]]; // _Vincenzo Librandi_, Aug 25 2015

%K nonn

%O 1,1

%A _Parthasarathy Nambi_, Dec 02 2004

%E More terms from _Stefan Steinerberger_, Feb 15 2006

%E a(10) from _Vincenzo Librandi_, Aug 27 2015

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)