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 A016009 #17 Jan 27 2025 02:26:49
%S A016009 1,2,2,3,2,16,2,4,3,16,2,30,2,16,16,5,2,30,2,30,16,16,2,44,3,16,4,30,
%T A016009 2,212,2,6,16,16,16,57,2,16,16,44,2,212,2,30,30,16,2,58,3,30,16,30,2,
%U A016009 44,16,44,16,16,2,408,2,16,30,7,16,212,2,30,16,212,2,84,2,16
%N A016009 a(n) = (tau(n^13)+12)/13.
%H A016009 Antti Karttunen, <a href="/A016009/b016009.txt">Table of n, a(n) for n = 1..10000</a>
%t A016009 a[n_] := (DivisorSigma[0, n^13] + 12)/13; Array[a, 100] (* _Amiram Eldar_, Jan 27 2025 *)
%o A016009 (PARI)
%o A016009 A016009(n) = (numdiv(n^13)+12)/13;
%o A016009 for(n=1, 10000, write("b016009.txt", n, " ", A016009(n)));
%o A016009 \\ _Antti Karttunen_, Jan 17 2017
%Y A016009 Cf. A000005, A015996, A015999, A016001, A016002, A016003, A016005, A016006, A016007, A016008, A016012.
%K A016009 nonn
%O A016009 1,2
%A A016009 _Robert G. Wilson v_
%E A016009 Definition corrected by _Vladeta Jovovic_, Sep 03 2005