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A008900 x->x/2 if x even, x->3x-1 if x odd. 0
89, 266, 133, 398, 199, 596, 298, 149, 446, 223, 668, 334, 167, 500, 250, 125, 374, 187, 560, 280, 140, 70, 35, 104, 52, 26, 13, 38, 19, 56, 28, 14, 7, 20, 10, 5, 14, 7, 20, 10, 5, 14, 7, 20, 10, 5, 14, 7, 20, 10, 5 (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..50.

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

CROSSREFS

Sequence in context: A145821 A142655 A140040 * A238681 A320909 A227519

Adjacent sequences:  A008897 A008898 A008899 * A008901 A008902 A008903

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified September 29 04:22 EDT 2020. Contains 337420 sequences. (Running on oeis4.)