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 A008903 x->x/2 if x even, x->3x-1 if x odd. 0
 100, 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, 61, 182, 91, 272, 136, 68, 34, 17, 50, 25, 74, 37, 110, 55, 164, 82, 41, 122, 61, 182, 91 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 REFERENCES R. K. Guy, Unsolved Problems in Number Theory, E16. LINKS 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). FORMULA a(n)=A003124(n), n>0. - R. J. Mathar, May 26 2008 MATHEMATICA NestList[If[EvenQ[#], #/2, 3#-1]&, 100, 120] (* or *) PadRight[{100}, 120, {17, 50, 25, 74, 37, 110, 55, 164, 82, 41, 122, 61, 182, 91, 272, 136, 68, 34}] (* Harvey P. Dale, May 20 2021 *) CROSSREFS Sequence in context: A298574 A077489 A153674 * A033420 A234322 A260707 Adjacent sequences:  A008900 A008901 A008902 * A008904 A008905 A008906 KEYWORD nonn AUTHOR STATUS approved

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Last modified June 15 12:29 EDT 2021. Contains 345048 sequences. (Running on oeis4.)