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 A363101 #11 Oct 27 2023 16:38:46 %S A363101 12,18,20,24,28,36,40,44,48,50,52,54,56,60,68,72,76,80,84,88,90,92,96, %T A363101 98,100,104,108,112,116,120,124,126,132,136,140,144,148,150,152,156, %U A363101 160,162,164,168,172,176,180,184,188,192,196,198,200,204,208,212,216,220,224,228,232,234,236,240,242 %N A363101 Even numbers that are neither prime powers nor squarefree. %C A363101 Even numbers k such that A001222(k) > A001221(k) > 1. %H A363101 Michael De Vlieger, <a href="/A363101/b363101.txt">Table of n, a(n) for n = 1..10000</a> %t A363101 Select[Range[2, 242, 2], Nor[PrimePowerQ[#], SquareFreeQ[#]] &] %Y A363101 Cf. A001221, A001222, A005418, A024619, A126706, A360769. %Y A363101 Intersection of A013929 and A177712. %K A363101 nonn %O A363101 1,1 %A A363101 _Michael De Vlieger_, May 19 2023