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Search: id:A132946
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| 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
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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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.
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EXAMPLE
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a(1) = A132948(13) = 20; a(2) = A132948(20) = 35.
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CROSSREFS
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Cf. A132948, A132949, A132947.
Sequence in context: A164469 A164462 A164508 this_sequence A066515 A166656 A032693
Adjacent sequences: A132943 A132944 A132945 this_sequence A132947 A132948 A132949
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KEYWORD
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nonn,more
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AUTHOR
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Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Sep 14 2007
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