%I #9 Sep 08 2022 08:45:41

%S 1,6,7,12,15,16,21,22,25,27,28,36,37,40,42,48,55,58,61,63,72,75,76,78,

%T 81,85,88,93,97,100,106,111,117,118,126,130,132,133,135,142,151,162,

%U 163,166,168,172,175,177,181,190,193,195,196,198,201,207,208,210,216,226

%N Numbers n such that 16n+1 is a prime.

%H Vincenzo Librandi, <a href="/A155942/b155942.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Range[400], PrimeQ[16 # + 1] &] (* _Vincenzo Librandi_, Feb 16 2013 *)

%o (Magma) [n: n in [0..400] | IsPrime(16*n + 1)]; // _Vincenzo Librandi_, Feb 16 2013

%Y Cf. A094407, A155941, A155943.

%K nonn,easy

%O 1,2

%A _Vincenzo Librandi_, Jan 31 2009