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 A024071 #11 Oct 15 2023 18:42:31
%S A024071 1,5,-476,-19467,-260848,-1945349,-10031040,-40073671,-132538112,
%T A024071 -377342793,-939533824,-1995150635,-2982998016,2456194643,57703117312,
%U A024071 431741625201,2752390430720,16808071568239,101361597378048
%N A024071 a(n) = 6^n - n^9.
%H A024071 Vincenzo Librandi, <a href="/A024071/b024071.txt">Table of n, a(n) for n = 0..500</a>
%t A024071 Table[6^n - n^9, {n, 0, 25}] (* _Wesley Ivan Hurt_, Oct 15 2023 *)
%o A024071 (Magma) [6^n-n^9: n in [0..25]]; // _Vincenzo Librandi_, Jul 03 2011
%K A024071 sign,easy
%O A024071 0,2
%A A024071 _N. J. A. Sloane_