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A033966 Trajectory of 1 under map n->19n+1 if n odd, n->n/2 if n even 1

%I

%S 1,20,10,5,96,48,24,12,6,3,58,29,552,276,138,69,1312,656,328,164,82,

%T 41,780,390,195,3706,1853,35208,17604,8802,4401,83620,41810,20905,

%U 397196,198598,99299,1886682,943341,17923480

%N Trajectory of 1 under map n->19n+1 if n odd, n->n/2 if n even

%K nonn

%O 0,2

%A _N. J. A. Sloane_.

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Last modified May 9 19:37 EDT 2021. Contains 343746 sequences. (Running on oeis4.)