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 A146501 #35 Apr 01 2024 11:20:28
%S A146501 4,8,7,5,1,2,4,8,7,5,1,2,4,8,7,5,1,2,4,8,7,5,1,2,4,8,7,5,1,2,4,8,7,5,
%T A146501 1,2,4,8,7,5,1,2,4,8,7,5,1,2,4,8,7,5,1,2,4,8,7,5,1,2,4,8,7,5,1,2,4,8,
%U A146501 7,5,1,2,4,8,7,5,1,2,4,8,7,5,1,2,4,8,7,5,1,2,4,8,7,5,1,2,4,8,7,5,1,2
%N A146501 Period 6: repeat [4,8,7,5,1,2].
%H A146501 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,-1,1).
%F A146501 G.f.: (4+4*x-x^2+2*x^3)/((1-x)*(1+x)*(1-x+x^2)). - _Jaume Oliver Lafont_, Aug 30 2009
%t A146501 LinearRecurrence[{1,0,-1,1},{4,8,7,5},102] (* _Ray Chandler_, Jul 15 2015 *)
%t A146501 PadRight[{},120,{4,8,7,5,1,2}] (* _Harvey P. Dale_, Apr 01 2024 *)
%Y A146501 Cf. A029898, A141425, A141430, A146322.
%K A146501 nonn,easy,less
%O A146501 0,1
%A A146501 _Paul Curtz_, Oct 30 2008
%E A146501 Extended by _Ray Chandler_, Jul 15 2015