A201108 - OEIS

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

%S 3,5,19,131,2003,4397,9829,13721,24337,31253,48781,65539,159017,

%T 170371,297757,476659,686003,1143577,2000003,3286067,4096769,6097253,

%U 7023619,7739789,8192003,9653621,10176899,11279507,12057139,17230253

%N Primes of the form 2n^3+3.

%H Vincenzo Librandi, <a href="/A201108/b201108.txt">Table of n, a(n) for n = 1..2700</a>

%t Select[Table[2n^3+3,{n,0,4000}],PrimeQ]

%o (Magma) [a: n in [0..300] | IsPrime(a) where a is 2*n^3+3]

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Nov 27 2011