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Primes of the form 3n^3-5.
2

%I #7 Sep 08 2022 08:46:00

%S 19,643,1531,5179,17491,41467,65851,98299,862483,1316923,2044411,

%T 3779131,4214779,4929091,6899899,8589859,9336403,12754579,16919251,

%U 18085699,26225443,30233083,48009019,56463283,70180963,74691259,82630819

%N Primes of the form 3n^3-5.

%H Vincenzo Librandi, <a href="/A200849/b200849.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Table[3n^3-5,{n,2,2500}],PrimeQ]

%o (Magma) [a: n in [2..400] | IsPrime(a) where a is 3*n^3-5]

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Nov 24 2011