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 A024144 #18 Aug 04 2025 14:30:18
%S A024144 1,11,128,1647,20480,248207,2984688,35829407,429977600,5159773791,
%T A024144 61917354224,743008356047,8916100427520,106993205350511,
%U A024144 1283918464510448,15407021574535743,184884258894970880
%N A024144 a(n) = 12^n - n^4.
%H A024144 Vincenzo Librandi, <a href="/A024144/b024144.txt">Table of n, a(n) for n = 0..300</a>
%H A024144 <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (17,-70,130,-125,61,-12).
%F A024144 a(n) = 17*a(n-1) - 70*a(n-2) + 130*a(n-3) - 125*a(n-4) + 61*a(n-5) - 12*a(n-6). - _Wesley Ivan Hurt_, Aug 04 2025
%t A024144 Table[12^n - n^4, {n, 0, 30}] (* _Wesley Ivan Hurt_, Aug 04 2025 *)
%o A024144 (Magma) [12^n-n^4: n in [0..20]]; // _Vincenzo Librandi_, Jul 01 2011
%o A024144 (PARI) a(n)= 12^n-n^4 \\ _Charles R Greathouse IV_, Jul 01 2011
%K A024144 nonn,easy
%O A024144 0,2
%A A024144 _N. J. A. Sloane_