%I
%S 2,17,149,12401
%N Primes of the form 7^n+10^n.
%C No more terms with n < 5000.  _Vincenzo Librandi_, Jan 03 2014
%t Select[Table[7^n + 10^n, {n, 0, 1500}], PrimeQ] (* _Vincenzo Librandi_, Jan 03 2014 *)
%o (MAGMA) [a: n in [0..1500]  IsPrime(a) where a is 7^n+10^n];
%Y Primes in A245807.
%K nonn
%O 1,1
%A _Vincenzo Librandi_, Apr 29 2010
