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Primes of the form 3^n + 10^4.
1

%I #10 Sep 08 2022 08:45:53

%S 10009,10243,10729,16561,29683,43056721,387430489,

%T 12157665459056938801,984770902183611242881,

%U 523347633027360537213521521,57264168970223481226273458862846808078011956889

%N Primes of the form 3^n + 10^4.

%H Vincenzo Librandi, <a href="/A176931/b176931.txt">Table of n, a(n) for n = 1..21</a>

%t Select[Table[3^n + 10000, {n, 0, 300}], PrimeQ] (* _Vincenzo Librandi_ Jan 02 2014 *)

%o (Magma) [a: n in [0..250] | IsPrime(a) where a is 3^n+10000];

%K nonn

%O 1,1

%A _Vincenzo Librandi_, Apr 29 2010