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Search: id:A103736
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| A103736 |
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Fibonacci numbers with nonprime indices. |
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+0
1
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| 0, 1, 3, 8, 21, 34, 55, 144, 377, 610, 987, 2584, 6765, 10946, 17711, 46368, 75025, 121393, 196418, 317811, 832040, 2178309, 3524578, 5702887, 9227465, 14930352, 39088169, 63245986, 102334155, 267914296, 701408733, 1134903170, 1836311903
(list; graph; listen)
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OFFSET
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0,3
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LINKS
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Leroy Quet, Home Page (listed in lieu of email address)
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EXAMPLE
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55 is included because 55 is the 10th Fibonacci number and 10 is composite.
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MAPLE
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with(combinat): a:=proc(n) if isprime(n)=false then fibonacci(n) else fi end: seq(a(n), n=0..52); (Deutsch)
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MATHEMATICA
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Fibonacci /@ Select[Range[0, 46], ! PrimeQ[ # ] &] (* Robert G. Wilson v *)
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CROSSREFS
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Cf. A000045, A018252, A090206.
Sequence in context: A101643 A046815 A160404 this_sequence A101332 A007773 A071078
Adjacent sequences: A103733 A103734 A103735 this_sequence A103737 A103738 A103739
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KEYWORD
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nonn
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AUTHOR
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Leroy Quet Oct 01 2005
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(at)rgwv.com) and Emeric Deutsch (deutsch(AT)duke.poly.edu), Oct 04 2005
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