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A008901 x->x/2 if x even, x->3x-1 if x odd. 0
90, 45, 134, 67, 200, 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 (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.

CROSSREFS

Sequence in context: A050662 A236180 A033410 * A161823 A003899 A050652

Adjacent sequences:  A008898 A008899 A008900 * A008902 A008903 A008904

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 29 02:13 EDT 2014. Contains 245013 sequences.