A049441 - OEIS

%I #26 Sep 08 2022 08:44:58

%S 0,2,4,16,22,26,32,50,52,62,64,74,76,86,94,100,104,106,124,140,142,

%T 164,166,176,182,184,190,202,212,224,236,280,284,286,290,302,370,374,

%U 394,410,430,434,454,466,470,472,496,500,502,542,584,602,604,610,614,616

%N Numbers n such that n^3 + 3 is prime.

%H Zak Seidov, <a href="/A049441/b049441.txt">Table of n, a(n) for n = 1..2000</a>

%e 4 is in the sequence since 4^3 + 3 = 67 is prime.

%t Select[Range[0,700],PrimeQ[#^3+3]&] (* _Harvey P. Dale_, Jan 22 2020 *)

%o (Magma) [n: n in [0..1000]| IsPrime(n^3+3)] // _Vincenzo Librandi_, Nov 16 2010

%o (PARI) is(n)=isprime(n^3+3) \\ _Charles R Greathouse IV_, Feb 17 2017

%K easy,nonn

%O 1,2

%A Paul Jobling (paul.jobling(AT)whitecross.com)

%E More terms from _Vincenzo Librandi_, Mar 31 2010