This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A024907 #30 Sep 08 2022 08:44:48 %S A024907 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 A024907 94,96,102,104,106,110,114,122,124,130,132,136,144,146,152,160,162, %U A024907 166,170,174,180,186,192,202,206,212,220,226,230,232,234,240,246,250,256,260,262,270 %N A024907 Numbers k such that 9*k - 7 is prime. %H A024907 Harvey P. Dale, <a href="/A024907/b024907.txt">Table of n, a(n) for n = 1..1000</a> %t A024907 Select[Range[300], PrimeQ[9 # - 7] &] (* _Harvey P. Dale_, Sep 18 2012 *) %o A024907 (Magma) [n: n in [1..300] |IsPrime(9*n-7)]; // _Vincenzo Librandi_, Nov 20 2010 %o A024907 (PARI) is(n)=isprime(9*n-7) \\ _Charles R Greathouse IV_, May 22 2017 %Y A024907 Cf. A061238 (associated primes). %K A024907 nonn,easy %O A024907 1,2 %A A024907 _Clark Kimberling_