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%I #6 Sep 08 2022 08:46:01
%S 7,47,1087,8647,29167,69127,87887,135007,163847,625007,1080007,
%T 1866247,3645007,5624327,10485767,13140367,15560687,18982087,19721567,
%U 22054727,24565007,32174287,33223367,42448327,43709087,59261767,60835007,76264967
%N Primes of the form 5n^3+7.
%H Vincenzo Librandi, <a href="/A201176/b201176.txt">Table of n, a(n) for n = 1..2500</a>
%t Select[Table[5n^3+7,{n,0,6000}],PrimeQ]
%o (Magma) [a: n in [0..400] | IsPrime(a) where a is 5*n^3+7]
%K nonn,easy
%O 1,1
%A _Vincenzo Librandi_, Nov 28 2011