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A033481 3x+1 sequence beginning at 21. 0
21, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..97.

Index entries for sequences related to 3x+1 (or Collatz) problem

CROSSREFS

Sequence in context: A115921 A072395 A113781 * A041862 A041860 A041864

Adjacent sequences:  A033478 A033479 A033480 * A033482 A033483 A033484

KEYWORD

nonn,changed

AUTHOR

Jeff Burch

STATUS

approved

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Last modified May 23 07:10 EDT 2013. Contains 225585 sequences.