%I A154894
%S A154894 8,21,34,55,377,610,987,4181,10946,17711,46368,75025,121393,1346269,
%T A154894 3524578,5702887,9227465,24157817,39088169,63245986,165580141,701408733,
%U A154894 1134903170,1836311903,7778742049,12586269025,20365011074,53316291173
%N A154894 Fibonacci numbers whose number of proper divisors is prime.
%e A154894 8 is member because the number of proper divisors of 8 is 3, a prime 
               number.
%t A154894 Fibonacci[Select[Range[60], PrimeQ[DivisorSigma[0, Fibonacci[ # ]] - 
               1] &]] [From Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), 
               Jan 31 2009]
%Y A154894 Cf. A000045, A152744.
%Y A154894 Sequence in context: A134862 A090206 A139590 this_sequence A000567 A124484 
               A137742
%Y A154894 Adjacent sequences: A154891 A154892 A154893 this_sequence A154895 A154896 
               A154897
%K A154894 nonn
%O A154894 1,1
%A A154894 Omar E. Pol (info(AT)polprimos.com), Jan 25 2009
%E A154894 More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), 
               Jan 31 2009