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%I #2 Mar 31 2012 12:38:28
%S 34,55,144,10946,46368,196418,9227465,1134903170,4052739537881,
%T 117669030460994,420196140727489673,12200160415121876738,
%U 3928413764606871165730,22698374052006863956975682
%N Fibonacci numbers sandwiched between two numbers having same number of divisors.
%t f[n_]:=Length[Divisors[n]]; lst={};Do[fi=Fibonacci[n];If[f[fi-1]==f[fi+1],AppendTo[lst,fi]],{n,170}];lst
%Y Cf. A005237, A005238, A067889, A171666, A171667
%K nonn
%O 1,1
%A _Vladimir Joseph Stephan Orlovsky_, Dec 14 2009
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