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 A086586 #9 May 18 2024 14:46:47 %S A086586 1,1,2,5,9,28,57,253,842,3753,10927,15014,130831,218961,967104, %T A086586 3767216,29715310,89923607,314897868,785059994 %N A086586 Maximum cycle size in range [A014137(n-1)..A014138(n-1)] of permutations A074681/A074682 & A074683/A074684. %C A086586 Shifted once right (beginning as 1,1,1,2,5,9,...) this is maximum cycle size (in the same range) of permutations A085169/A085170, shifted twice right (beginning as 1,1,1,1,2,5,9,...) this is the maximum cycle size in permutations A089867/A089868 and A089869/A089870. %H A086586 Antti Karttunen, <a href="/A089408/a089408.c.txt">C-program for computing the initial terms of this sequence</a> %K A086586 nonn,more %O A086586 0,3 %A A086586 _Antti Karttunen_, Jun 23 2003