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%I #13 Sep 08 2022 08:46:01
%S 2,23,107,443,1367,1787,4027,5483,8087,9067,10103,12343,20407,26903,
%T 32363,38327,40427,51767,59243,72823,75707,87803,97463,104183,111127,
%U 121963,125687,133303,170347,192887,211927,274423,302843,314603
%N Primes of the form 7n^2 - 5.
%H Vincenzo Librandi, <a href="/A201851/b201851.txt">Table of n, a(n) for n = 1..5000</a>
%t Select[Table[7n^2-5,{n,1,1000}],PrimeQ]
%o (Magma) [a: n in [1..500] | IsPrime(a) where a is 7*n^2-5];
%K nonn
%O 1,1
%A _Vincenzo Librandi_, Dec 06 2011
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