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A008901 x->x/2 if x even, x->3x-1 if x odd. 0

%I

%S 90,45,134,67,200,100,50,25,74,37,110,55,164,82,41,122,61,182,91,272,

%T 136,68,34,17,50,25,74,37,110,55,164,82,41,122,61,182,91,272,136,68,

%U 34,17,50,25,74,37,110,55,164

%N x->x/2 if x even, x->3x-1 if x odd.

%D R. K. Guy, Unsolved Problems in Number Theory, E16.

%H <a href="/index/Rec#order_18">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

%K nonn

%O 0,1

%A _N. J. A. Sloane_.

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Last modified June 16 21:55 EDT 2021. Contains 345080 sequences. (Running on oeis4.)