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A024908 Numbers k such that 9*k - 5 is prime. 1

%I #21 Sep 08 2022 08:44:48

%S 2,4,8,12,16,18,22,24,26,32,38,42,46,52,56,64,68,72,74,82,84,86,88,92,

%T 96,98,108,114,116,122,126,134,138,144,148,154,156,162,164,166,172,

%U 176,178,186,192,194,196,198,204,208,222,224,226,232,238,254,264,266,284,296,298,302

%N Numbers k such that 9*k - 5 is prime.

%H Harvey P. Dale, <a href="/A024908/b024908.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Range[500],PrimeQ[9#-5]&] (* _Harvey P. Dale_, Sep 14 2012 *)

%o (Magma) [n: n in [1..1000] |IsPrime(9*n-5)]; // _Vincenzo Librandi_, Nov 20 2010

%o (PARI) is(n)=isprime(9*n-5) \\ _Charles R Greathouse IV_, Jun 06 2017

%K nonn,easy

%O 1,1

%A _Clark Kimberling_

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Last modified July 19 09:39 EDT 2024. Contains 374392 sequences. (Running on oeis4.)