A201115 - OEIS

%I #6 Sep 08 2022 08:46:01

%S 5,29,197,653,5189,8237,52733,117917,164621,222269,331781,526853,

%T 585341,862493,943301,1908173,2044421,2491757,2654213,4682693,7218317,

%U 7546373,8957957,10535429,10956797,11389253,11832941,16919261,18085709

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

%H Vincenzo Librandi, <a href="/A201115/b201115.txt">Table of n, a(n) for n = 1..2600</a>

%t Select[Table[3n^3+5,{n,0,5000}],PrimeQ]

%o (Magma) [a: n in [0..300] | IsPrime(a) where a is 3*n^3+5]

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Nov 27 2011