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