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A037118
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Trajectory of 3 under map n->41n+1 if n odd, n->n/2 if n even
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0
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3, 124, 62, 31, 1272, 636, 318, 159, 6520, 3260, 1630, 815, 33416, 16708, 8354, 4177, 171258, 85629, 3510790, 1755395, 71971196, 35985598, 17992799, 737704760, 368852380, 184426190, 92213095
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OFFSET
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0,1
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LINKS
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MATHEMATICA
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NestList[If[OddQ[#], 41#+1, #/2]&, 3, 30] (* Harvey P. Dale, Jul 27 2012 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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