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%I #9 Sep 08 2022 08:45:53
%S 2,2211377674535255285545615254209921
%N Primes of the form 11^n+10^n.
%C No more terms with n < 5000. - _Vincenzo Librandi_, Jan 03 2014
%t Select[Table[11^n + 10^n, {n, 0, 1500}], PrimeQ] (* _Vincenzo Librandi_, Jan 03 2014 *)
%o (Magma) [a: n in [0..1500] | IsPrime(a) where a is 11^n+10^n];
%K nonn,bref
%O 1,1
%A _Vincenzo Librandi_, Apr 29 2010