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Numbers k such that 66*k + 5 is prime.
1

%I #27 Sep 27 2022 09:00:28

%S 0,1,2,4,6,7,9,12,13,14,16,18,19,23,26,27,36,37,39,41,42,43,44,46,51,

%T 56,57,58,64,68,71,74,76,77,78,81,82,83,88,89,91,93,98,102,103,104,

%U 106,111,114,117,118,123,127,133,134,141,142,149,152,153,154,156,158,159,161

%N Numbers k such that 66*k + 5 is prime.

%H Vincenzo Librandi, <a href="/A157202/b157202.txt">Table of n, a(n) for n = 1..1001</a> [Offset shifted by _Georg Fischer_, Sep 27 2022]

%e 23 is a term because 66*23 + 5 = 1523 is prime.

%t Select[Range[0, 200], PrimeQ[66 # + 5] &] (* _Vincenzo Librandi_, Mar 20 2014 *)

%o (Magma) [n: n in [0..500]|IsPrime(66*n+5)]; // _Vincenzo Librandi_, Dec 08 2010

%o (PARI) is(n)=isprime(66*n+5) \\ _Charles R Greathouse IV_, Dec 27 2013

%Y Cf. A142052 (the corresponding primes).

%K nonn,easy

%O 1,3

%A _Kyle D. Balliet_, Feb 25 2009

%E Offset changed to 1 by _Georg Fischer_, Sep 27 2022