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 A131933 #11 Oct 22 2024 05:43:14 %S A131933 15,30,42,45,60,75,84,90,105,120,126,135,150,165,168,180,195,210,225, %T A131933 240,252,255,270,273,285,294,300,315,330,336,345,360,375,378,390,405, %U A131933 420,435,450,462,465,480,495,504,510,525,540,546,555,570,585,588,600,612 %N A131933 a(n) = A056866(n)/4. %C A131933 All orders of nonsolvable groups A056866 are divisible by 4. %H A131933 Amiram Eldar, <a href="/A131933/b131933.txt">Table of n, a(n) for n = 1..10000</a> %Y A131933 Cf. A001034, A060793, A056866, A056868, A131932. %K A131933 nonn %O A131933 1,1 %A A131933 _Artur Jasinski_, Jul 30 2007