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 A241572 #8 Sep 08 2022 08:46:07 %S A241572 2,4,5,8,9,11,14,16,17,19,20,23,24,26,29,30,32,34,35,37,38,39,41,44, %T A241572 47,49,50,51,52,53,54,56,58,59,62,63,64,65,68,69,71,72,74,76,77,79,80, %U A241572 83,84,85,86,89,92,93,94,95,96,98,99,100,101,102,104,107,109 %N A241572 Numbers n such that 2*n+17 is not a prime. %H A241572 Vincenzo Librandi, <a href="/A241572/b241572.txt">Table of n, a(n) for n = 1..1000</a> %t A241572 Select[Range[0, 200], ! PrimeQ[2 # + 17] &] %o A241572 (Magma) [n: n in [0..200] | not IsPrime(2*n+17)]; %Y A241572 Complement of A173059. %Y A241572 Cf. similar sequence listed in A153144. %K A241572 nonn,easy %O A241572 1,1 %A A241572 _Vincenzo Librandi_, Apr 27 2014