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A037108 Trajectory of 3 under map n->21n+1 if n odd, n->n/2 if n even 0
3, 64, 32, 16, 8, 4, 2, 1, 22, 11, 232, 116, 58, 29, 610, 305, 6406, 3203, 67264, 33632, 16816, 8408, 4204, 2102, 1051, 22072, 11036, 5518, 2759, 57940, 28970, 14485, 304186, 152093, 3193954, 1596977, 33536518 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..36.

FORMULA

a(n) = A033967(n-7), n>=7. - R. J. Mathar, Nov 21 2014

CROSSREFS

Sequence in context: A193100 A053857 A175985 * A249097 A092901 A099338

Adjacent sequences:  A037105 A037106 A037107 * A037109 A037110 A037111

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified June 19 12:57 EDT 2019. Contains 324222 sequences. (Running on oeis4.)