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 A024109 #11 Sep 08 2022 08:44:48
%S A024109 1,8,-175,-5832,-58975,-331576,-1148175,-981832,26269505,344373768,
%T A024109 3386784401,31166700728,281999554785,2541050097608,22875316665905,
%U A024109 205888569204024,1853015893884545,16677174723909128,150094624277038545
%N A024109 a(n) = 9^n - n^8.
%H A024109 Vincenzo Librandi, <a href="/A024109/b024109.txt">Table of n, a(n) for n = 0..400</a>
%t A024109 Table[9^n-n^8,{n,0,20}] (* _Harvey P. Dale_, May 21 2021 *)
%o A024109 (Magma) [9^n-n^8: n in [0..25]]; // _Vincenzo Librandi_, Jul 06 2011
%K A024109 sign,easy
%O A024109 0,2
%A A024109 _N. J. A. Sloane_