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A033975 Trajectory of 1 under map n->39n+1 if n odd, n->n/2 if n even 0
1, 40, 20, 10, 5, 196, 98, 49, 1912, 956, 478, 239, 9322, 4661, 181780, 90890, 45445, 1772356, 886178, 443089, 17280472, 8640236, 4320118, 2160059, 84242302, 42121151, 1642724890, 821362445, 32033135356 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A181643 A117831 A152143 * A033360 A029543 A097208

Adjacent sequences:  A033972 A033973 A033974 * A033976 A033977 A033978

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 02:30 EST 2012. Contains 205860 sequences.