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A008896 x->x/2 if x even, x->3x-1 if x odd. 0
66, 33, 98, 49, 146, 73, 218, 109, 326, 163, 488, 244, 122, 61, 182, 91, 272, 136, 68, 34, 17, 50, 25, 74, 37, 110, 55, 164, 82, 41, 122, 61, 182, 91, 272, 136, 68, 34, 17, 50, 25, 74, 37, 110, 55, 164, 82, 41, 122 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

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

LINKS

Table of n, a(n) for n=0..48.

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

MATHEMATICA

NestList[If[EvenQ[#], #/2, 3#-1]&, 66, 50] (* or *) PadRight[ {66, 33, 98, 49, 146, 73, 218, 109, 326, 163, 488, 244}, 120, {68, 34, 17, 50, 25, 74, 37, 110, 55, 164, 82, 41, 122, 61, 182, 91, 272, 136}] (* Harvey P. Dale, Sep 02 2018 *)

CROSSREFS

Sequence in context: A271711 A138843 A033386 * A071712 A080592 A059175

Adjacent sequences:  A008893 A008894 A008895 * A008897 A008898 A008899

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 19 03:54 EST 2020. Contains 332032 sequences. (Running on oeis4.)