Search: id:A060383
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%I A060383
%S A060383 1,1,2,3,5,2,13,3,2,5,89,2,233,13,2,3,1597,2,37,3,2,89,28657,2,5,233,2,
%T A060383 3,514229,2,557,3,2,1597,5,2,73,37,2,3,2789,2,433494437,3,2,139,
%U A060383 2971215073,2,13,5,2,3,953,2,5,3,2,59,353,2,4513,557,2,3,5,2,269,3,2,5
%N A060383 a(1) = a(2) = 1; for n >2, a(n) = smallest prime factor of n-th Fibonacci 
               number.
%e A060383 n=82: F(82) = 2789*59369*370248451, so a(82)=2789
%t A060383 f[n_] := (FactorInteger@ Fibonacci@ n)[[1,1]]; Array[f, 70] (* Robert 
               G. Wilson v (rgwv(AT)rgwv.com), Jul 07 2007 *)
%Y A060383 Cf. A000045, A022307, A001605, A060319, A060320, A051694.
%Y A060383 Sequence in context: A079369 A102867 A139044 this_sequence A060442 A060385 
               A080648
%Y A060383 Adjacent sequences: A060380 A060381 A060382 this_sequence A060384 A060385 
               A060386
%K A060383 nonn
%O A060383 1,3
%A A060383 Labos E. (labos(AT)ana.sote.hu), Apr 03 2001
%E A060383 Better definition from Omar E. Pol, Apr 25 2008

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