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Search: id:A060319
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| A060319 |
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Smallest Fibonacci number with n distinct prime factors. |
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+0
5
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| 1, 2, 21, 610, 6765, 832040, 102334155, 190392490709135, 1548008755920, 23416728348467685, 2880067194370816120, 81055900096023504197206408605, 2706074082469569338358691163510069157, 5358359254990966640871840, 57602132235424755886206198685365216, 18547707689471986212190138521399707760
(list; graph; listen)
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OFFSET
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0,2
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LINKS
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R. Knott, Fibonacci numbers with tables of F(0)-F(500)
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EXAMPLE
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a(5)=F(30)=832040=8.5.11.41.61
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MATHEMATICA
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f[n_]:=Length@FactorInteger[Fibonacci[n]]; lst={}; Do[Do[If[f[n]==q, Print[Fibonacci[n]]; AppendTo[lst, Fibonacci[n]]; Break[]], {n, 280}], {q, 18}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 23 2009]
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CROSSREFS
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Cf. A001605, A005478, A060320.
Sequence in context: A158886 A092957 A078602 this_sequence A095224 A034984 A024233
Adjacent sequences: A060316 A060317 A060318 this_sequence A060320 A060321 A060322
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KEYWORD
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nonn,new
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Mar 28 2001
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