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A074699
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a(n) = tau(Fibonacci(24*2^n))/(24*2^n) where tau(x) is the number of divisors of x (A000005(x)).
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0
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OFFSET
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0,1
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COMMENTS
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Are terms always integers?
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LINKS
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Table of n, a(n) for n=0..7.
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MAPLE
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with(numtheory): with(combinat): a:=n->tau(fibonacci(24*2^n))/(24*2^n): seq(a(n), n=0..4); # Emeric Deutsch, Jan 30 2006
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MATHEMATICA
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Table[DivisorSigma[0, Fibonacci[24 2^n]] / (24 2^n), {n, 0, 5}] (* Vincenzo Librandi, Sep 11 2017 *)
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PROG
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(PARI) a(n) = numdiv(fibonacci(24*2^n))/(24*2^n); \\ Michel Marcus, Sep 10 2017
(MAGMA) [NumberOfDivisors(Fibonacci(24*2^n))/(24*2^n): n in [0..5]]; // Vincenzo Librandi, Sep 11 2017
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CROSSREFS
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Cf. A063375, A074698.
Sequence in context: A163081 A332386 A096239 * A115088 A089622 A241147
Adjacent sequences: A074696 A074697 A074698 * A074700 A074701 A074702
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KEYWORD
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more,nonn
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AUTHOR
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Benoit Cloitre, Sep 03 2002
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EXTENSIONS
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a(5) from Eric Rowland, Jun 18 2017
a(6)-a(7) from Amiram Eldar, Sep 03 2019 (using FactorDB)
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STATUS
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approved
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