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A008898 x->x/2 if x even, x->3x-1 if x odd. 0
84, 42, 21, 62, 31, 92, 46, 23, 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, 272, 136, 68, 34, 17, 50, 25, 74, 37, 110 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

REFERENCES

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

CROSSREFS

Sequence in context: A093676 A130432 A066689 * A033404 A128873 A095607

Adjacent sequences:  A008895 A008896 A008897 * A008899 A008900 A008901

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.