id:A090206 - OEIS Search Results

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Nonprime Fibonacci numbers.

+0
6

0, 1, 1, 8, 21, 34, 55, 144, 377, 610, 987, 2584, 4181, 6765, 10946, 17711, 46368, 75025, 121393, 196418, 317811, 832040, 1346269, 2178309, 3524578, 5702887, 9227465, 14930352, 24157817, 39088169 (list; graph; listen)

	OFFSET	`1,4`
	MATHEMATICA	`a={}; Do[f=Fibonacci[n]; If[ !PrimeQ[f], AppendTo[a, f]], {n, 1, 30}]; a (Vladimir Orlovsky, Jul 22 2008)`
	CROSSREFS	`Cf. A000045.` `Sequence in context: A053750 A003249 A134862 this_sequence A139590 A154894 A000567` `Adjacent sequences: A090203 A090204 A090205 this_sequence A090207 A090208 A090209`
	KEYWORD	`easy,nonn`
	AUTHOR	`Felix Tubiana (fat2(AT)columbia.edu), Jan 22 2004`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research