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%I #2 Oct 02 2013 15:47:16
%S 1,4181,17711,308061521170129,61305790721611591,
%T 2046711111473984623691759,3311648143516982017180081,
%U 280571172992510140037611932413038677189525
%N Smallest Fibonacci number containing exactly n 1's.
%e a(2)=4181 so 4181 is the smallest Fibonacci number containing exactly two 1's.
%K base,nonn
%O 1,2
%A _Shyam Sunder Gupta_, Jul 14 2002
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