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Search: id:A087254
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| A087254 |
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If we start the Collatz-iteration at these values, each divisible by 4, all subsequent terms in trajectory are smaller than the initial value. |
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+0
3
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| 4, 8, 20, 24, 32, 48, 56, 68, 72, 80, 84, 96, 104, 116, 128, 132, 144, 152, 168, 176, 180, 192, 200, 212, 224, 228, 240, 260, 264, 272, 276, 288, 296, 308, 312, 320, 324, 336, 344, 356, 360, 368, 372, 384, 392, 404, 408, 416, 452, 456, 464, 468, 480, 488, 512
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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n=104: iteration list={104,52,26,13,40,20,10,5,16,8,4,2,1}, where initial-value =largest-term.
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CROSSREFS
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Cf. A025586, A087251-A087253.
Adjacent sequences: A087251 A087252 A087253 this_sequence A087255 A087256 A087257
Sequence in context: A065034 A006580 A061814 this_sequence A062717 A084922 A047185
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Sep 08 2003
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