%I #15 Sep 08 2022 08:45:19
%S 0,8,18,20,30,36,38,44,50,56,66,74,78,80,86,90,98,116,144,150,156,164,
%T 174,176,198,200,204,230,234,260,284,288,300,308,314,326,350,354,366,
%U 368,408,426,450,458,464,470,480,494,498,504,518,540,546,570,588,594
%N Numbers n such that 191*n + 193 is prime.
%C 191 and 193 are twin primes.
%H Chris Caldwell, <a href="http://www.utm.edu/research/primes/lists/small/1ktwins.txt">The First 1,008 Twin Primes</a>.
%e If n=56, then 191*n + 193 = 10889 (prime).
%t Select[Range[0,1000],PrimeQ[191#+193]&] (* _Harvey P. Dale_, Dec 26 2010 *)
%o (Magma) [n: n in [0..100000] | IsPrime(191*n + 193)] // _Vincenzo Librandi_, Nov 13 2010
%o (PARI) is(n)=isprime(191*n+193) \\ _Charles R Greathouse IV_, Jun 13 2017
%K nonn,easy
%O 1,2
%A _Parthasarathy Nambi_, Jun 02 2005