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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; internal format)
OFFSET

0,1

REFERENCES

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

FORMULA

a(n)=A003124(n), n>0. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 26 2008

CROSSREFS

Sequence in context: A084472 A077489 A153674 * A033420 A180102 A020993

Adjacent sequences:  A008900 A008901 A008902 * A008904 A008905 A008906

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.