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 A153183 #25 Oct 05 2024 04:32:17 %S A153183 3,5,7,11,13,15,21,23,25,27,33,35,37,43,47,51,53,55,61,65,67,71,75,77, %T A153183 81,91,93,95,103,105,111,113,117,123,125,127,133,137,141,145,147,153, %U A153183 155,163,167,175,181,183,191,193,201,203,205,207,211,215,221,225,231 %N A153183 Numbers k such that 3k-2 is prime. %H A153183 Vincenzo Librandi, <a href="/A153183/b153183.txt">Table of n, a(n) for n = 1..1000</a> %F A153183 a(n) = A024892(n)+1. - _Klaus Brockhaus_, Dec 21 2008 %t A153183 Select[Range[1, 250], PrimeQ[(3*#)-2]&] (* _Vincenzo Librandi_, Sep 24 2012 *) %o A153183 (Magma) [ n: n in [1..235] | IsPrime(3*n-2) ]; // _Klaus Brockhaus_, Dec 21 2008 %o A153183 (PARI) is(n)=isprime(3*n-2) \\ _Charles R Greathouse IV_, Feb 17 2017 %Y A153183 Cf. A153184 (complement) %Y A153183 Cf. A088878 (3p-2 is prime), A024892 (3*k+1 is prime). %K A153183 nonn,easy %O A153183 1,1 %A A153183 _Vincenzo Librandi_, Dec 20 2008 %E A153183 More terms from _Klaus Brockhaus_, Dec 21 2008