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 A368113 #6 Dec 12 2023 15:56:28
%S A368113 7,50,25,5,1,8,4,2,1,8,4,2,1,8,4,2,1,8,4,2,1,8,4,2,1,8,4,2,1,8,4,2,1,
%T A368113 8,4,2,1,8,4,2,1,8,4,2,1,8,4,2,1,8,4,2,1,8,4,2,1,8,4,2,1,8,4,2,1,8,4,
%U A368113 2,1,8,4,2,1,8,4,2,1,8,4,2,1,8,4,2,1,8,4,2,1
%N A368113 Trajectory of 7 under the '7x+1' map.
%C A368113 See A368085 for definition and cross references.
%H A368113 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,1).
%t A368113 PadRight[{7,50,25,5},100,{1,8,4,2}]
%Y A368113 Cf. A368085.
%K A368113 nonn,easy
%O A368113 0,1
%A A368113 _Paolo Xausa_, Dec 12 2023