%I #7 Sep 08 2022 08:46:00
%S 1117,3079,6553,11971,30367,61723,83341,140617,820117,934399,1666729,
%T 4782961,5527117,5926519,7716367,11025379,12308671,13687867,14414509,
%U 19320193,23142169,24170563,33514867,36177103,37559521,41917159,56984617
%N Primes of the form 9n^38.
%H Vincenzo Librandi, <a href="/A201034/b201034.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Table[9n^38,{n,1,4000}],PrimeQ]
%o (Magma) [a: n in [1..500]  IsPrime(a) where a is 9*n^38]
%K nonn,easy
%O 1,1
%A _Vincenzo Librandi_, Nov 26 2011
