%I #6 Sep 08 2022 08:45:53

%S 2,389,48671191875666868481

%N Primes of the form 17^n+10^n.

%C No further terms up to n = 3500.

%t Select[Table[17^n + 10^n, {n, 0, 100}], PrimeQ] (* _Vincenzo Librandi_, Jun 04 2014 *)

%o (Magma) [ a: n in [0..1500] | IsPrime(a) where a is 17^n+10^n ]

%K nonn,bref

%O 1,1

%A _Vincenzo Librandi_, Apr 29 2010