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 A329516 #14 May 06 2024 17:12:12
%S A329516 1,3,6,7,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
%T A329516 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
%U A329516 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6
%N A329516 Expansion of (x^4 - x^3 - 3*x^2 - 2*x - 1)/(x - 1).
%C A329516 Decimal expansion of 4103/30000. - _Elmo R. Oliveira_, May 06 2024
%H A329516 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1).
%F A329516 G.f.: (x^4 - x^3 - 3*x^2 - 2*x - 1)/(x - 1).
%F A329516 a(n) = 6 for n >= 4.
%t A329516 CoefficientList[Series[(x^4 - x^3 - 3*x^2 - 2*x - 1)/(x - 1), {x, 0, 120}], x] (* _Wesley Ivan Hurt_, Jun 26 2022 *)
%t A329516 PadRight[{1,3,6,7},120,{6}] (* _Harvey P. Dale_, Dec 28 2023 *)
%Y A329516 Row n=1 in array in A329515.
%K A329516 nonn
%O A329516 0,2
%A A329516 _N. J. A. Sloane_, Nov 25 2019