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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
OFFSET
0,1
REFERENCES
R. K. Guy, Unsolved Problems in Number Theory, E16.
CROSSREFS
Sequence in context: A354284 A142655 A140040 * A238681 A320909 A227519
KEYWORD
nonn
AUTHOR
STATUS
approved