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A134787 Numbers n such that Fibonacci[Prime[n]] is not prime. +0
20
1, 8, 11, 12, 13, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 85, 86 (list; graph; listen)
OFFSET

1,2

MATHEMATICA

k = {}; Do[If[ ! PrimeQ[Fibonacci[Prime[n]]], AppendTo[k, n]], {n, 1, 100}]; k

CROSSREFS

Cf. A050937, A090819.

Adjacent sequences: A134784 A134785 A134786 this_sequence A134788 A134789 A134790

Sequence in context: A109596 A077060 A123939 this_sequence A122195 A064153 A106670

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Nov 12 2007

EXTENSIONS

Definition corrected by njas, Nov 12 2007

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Last modified January 8 02:43 EST 2009. Contains 152824 sequences.


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