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%I #30 Sep 08 2022 08:44:48
%S 1,2,4,6,10,12,16,20,22,26,30,32,36,40,44,50,52,54,64,66,72,74,76,92,
%T 94,96,102,104,106,110,114,122,124,130,132,136,144,146,152,160,162,
%U 166,170,174,180,186,192,202,206,212,220,226,230,232,234,240,246,250,256,260,262,270
%N Numbers k such that 9*k - 7 is prime.
%H Harvey P. Dale, <a href="/A024907/b024907.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Range[300], PrimeQ[9 # - 7] &] (* _Harvey P. Dale_, Sep 18 2012 *)
%o (Magma) [n: n in [1..300] |IsPrime(9*n-7)]; // _Vincenzo Librandi_, Nov 20 2010
%o (PARI) is(n)=isprime(9*n-7) \\ _Charles R Greathouse IV_, May 22 2017
%Y Cf. A061238 (associated primes).
%K nonn,easy
%O 1,2
%A _Clark Kimberling_
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