Search: id:A090206
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%I A090206
%S A090206 0,1,1,8,21,34,55,144,377,610,987,2584,4181,6765,10946,17711,46368,
%T A090206 75025,121393,196418,317811,832040,1346269,2178309,3524578,5702887,
%U A090206 9227465,14930352,24157817,39088169
%N A090206 Nonprime Fibonacci numbers.
%t A090206 a={};Do[f=Fibonacci[n];If[ !PrimeQ[f],AppendTo[a,f]],{n,1,30}];a (Vladimir 
               Orlovsky, Jul 22 2008)
%Y A090206 Cf. A000045.
%Y A090206 Sequence in context: A053750 A003249 A134862 this_sequence A139590 A154894 
               A000567
%Y A090206 Adjacent sequences: A090203 A090204 A090205 this_sequence A090207 A090208 
               A090209
%K A090206 easy,nonn
%O A090206 1,4
%A A090206 Felix Tubiana (fat2(AT)columbia.edu), Jan 22 2004

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