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 A032583 #17 Oct 06 2019 18:24:58 %S A032583 4,6,8,10,12,14,16,18,20,22,24,26,27,28,30,32,34,35,36,38,39,40,42,44, %T A032583 45,46,48,50,52,54,55,56,57,58,60,62,64,65,66,68,70,72,74,76,77,78,80, %U A032583 81,82,84,85,86,88,90,91,92,94,95,96,98,100,102,104,106,108 %N A032583 Numbers which are neither prime nor lucky. %C A032583 Except for 2, sequence includes all positive even integers. First odd term is 27. - _Alonso del Arte_, Jun 20 2017 %t A032583 (* First run one of the programs for A000959 to define the list luckies *) max = 200; Complement[Range[max], Prime[Range[PrimePi[max]]], luckies] (* _Alonso del Arte_, Jun 14 2017 *) %Y A032583 Cf. A000040, A000959, A032584, A031157. %K A032583 nonn %O A032583 1,1 %A A032583 _Patrick De Geest_, Apr 15 1998