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 A059325 Numbers n such that 6n + 5 is prime. 8

%I

%S 0,1,2,3,4,6,7,8,9,11,13,14,16,17,18,21,22,24,27,28,29,31,32,37,38,39,

%T 41,42,43,44,46,48,51,52,57,58,59,63,64,66,69,71,73,74,76,77,79,81,83,

%U 84,86,92,93,94,97,98,99,102,106,107,108,109,112,113,116,119,123,126

%N Numbers n such that 6n + 5 is prime.

%C Solutions of the equation (6*n+5)'=1, where n' is the arithmetic derivative of n. - _Paolo P. Lava_, Jan 03 2013

%H G. C. Greubel, <a href="/A059325/b059325.txt">Table of n, a(n) for n = 1..5000</a>

%e a(4)=3 because 6*3 + 1 = 19 is prime.

%t Select[Range[0, 1000], PrimeQ[6 # + 5] &] (* _G. C. Greubel_, Jan 06 2017 *)

%o (MAGMA) [n: n in [0..200]| IsPrime(6*n+5)] // _Vincenzo Librandi_, Aug 07 2010

%o (PARI) is(n)=isprime(6*n+5) \\ _Charles R Greathouse IV_, Feb 17 2017

%Y Complement of A059324.

%K nonn,easy

%O 1,3

%A _Anton Joha_, Jan 26 2001

%E More terms from _Henry Bottomley_, Jan 29 2001

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Last modified October 15 00:14 EDT 2019. Contains 328025 sequences. (Running on oeis4.)