

A132946


Trajectory of 13 under map n > A132948(n).


2



13, 20, 35, 37, 39, 83, 86, 221, 276, 198, 303, 222, 466, 368, 417, 1439, 1334, 1831, 7841, 4710, 6486, 5900, 4853, 2240, 1237, 5039, 4903, 7927, 20253, 13404, 24127, 46007, 43014, 259691, 607337
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OFFSET

0,1


COMMENTS

13 is the smallest number that does not belong to a cycle with elements <= 260000. Further numbers that do not belong to a cycle with elements <= 260000 and do not occur in the trajectory of a smaller number are 15, 32, 45, 59, 72, 76, 81, 85, 95, ... .
Conjecture: Sequence is not periodic.


LINKS

Table of n, a(n) for n=0..34.


EXAMPLE

a(1) = A132948(13) = 20; a(2) = A132948(20) = 35.


CROSSREFS

Cf. A132948, A132949, A132947.
Sequence in context: A164470 A164469 A164462 * A278470 A066515 A166656
Adjacent sequences: A132943 A132944 A132945 * A132947 A132948 A132949


KEYWORD

nonn,more


AUTHOR

Klaus Brockhaus, Sep 14 2007


STATUS

approved



