%I #6 Sep 08 2022 08:46:01
%S 2,17,317,977,1277,1997,2417,3917,9677,12497,20477,23117,33617,48017,
%T 60497,109517,127997,137777,144497,154877,165617,180497,216317,224717,
%U 269117,353777,369917,499277,511997,518417,612497,662477,721997
%N Primes of the form 5n^2 - 3.
%H Vincenzo Librandi, <a href="/A201785/b201785.txt">Table of n, a(n) for n = 1..5000</a>
%t Select[Table[5n^2-3,{n,1,2000}],PrimeQ]
%o (Magma) [a: n in [1..400] | IsPrime(a) where a is 5*n^2-3];
%K nonn,easy
%O 1,1
%A _Vincenzo Librandi_, Dec 05 2011