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 A014033 #24 Sep 08 2022 08:44:39
%S A014033 1,0,0,0,1,0,0,0,0,0,0,0,-1,0,0,0,-1,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,
%T A014033 0,0,0,-1,0,0,0,-1,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,-1,0,0,0,-1,
%U A014033 0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0
%N A014033 Inverse of 24th cyclotomic polynomial.
%C A014033 Periodic with period length 24. - _Ray Chandler_, Apr 03 2017
%H A014033 Vincenzo Librandi, <a href="/A014033/b014033.txt">Table of n, a(n) for n = 0..1000</a>
%H A014033 <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 1, 0, 0, 0, -1).
%H A014033 <a href="/index/Pol#poly_cyclo_inv">Index to sequences related to inverse of cyclotomic polynomials</a>
%F A014033 |a(n)| = A000388(n+10)(mod 2). - _John M. Campbell_, Jul 13 2016
%F A014033 G.f.: 1/(1 - x^4 + x^8). - _Ilya Gutkovskiy_, Aug 18 2017
%p A014033 with(numtheory,cyclotomic); c := n->series(1/cyclotomic(n,x),x,80);
%t A014033 CoefficientList[Series[1/Cyclotomic[24, x], {x, 0, 100}], x] (* _Vincenzo Librandi_, Apr 03 2014 *)
%t A014033 LinearRecurrence[{0, 0, 0, 1, 0, 0, 0, -1},{1, 0, 0, 0, 1, 0, 0, 0},81] (* _Ray Chandler_, Sep 15 2015 *)
%o A014033 (PARI) Vec(1/polcyclo(24)+O(x^99)) \\ _Charles R Greathouse IV_, Mar 24 2014
%o A014033 (Magma) &cat[[1,0,0,0,1,0,0,0,0,0,0,0,-1,0,0,0,-1,0,0,0, 0,0,0,0]: n in [0..5]]; // _Vincenzo Librandi_, Apr 03 2014
%K A014033 sign,easy
%O A014033 0,1
%A A014033 _Simon Plouffe_