A176938 - OEIS

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A176938

Primes of the form 19^n + 10^n.

%I #12 Sep 08 2022 08:45:53

%S 2,29,461,140321,83198449160887472631428936505541918917761

%N Primes of the form 19^n + 10^n.

%C Associated n: 0, 1, 2, 4, 32. No further terms for n <= 3500. - _Vincenzo Librandi_, Jun 05 2014

%t Select[Table[19^n + 10^n, {n, 0, 100}], PrimeQ] (* _Vincenzo Librandi_, Jun 05 2014 *)

%o (Magma) [a: n in [0..1000] | IsPrime(a) where a is 19^n+10^n];

%K nonn

%O 1,1

%A _Vincenzo Librandi_, Apr 29 2010