%I #8 Aug 12 2017 08:13:25
%S 1,1,2,3,6,13,5,9,377,21,11,89,14,8,233,16,987,18,2584,20,6765,55,23,
%T 28657,25,75025,27,196418,29,514229,31,1346269,33,3524578
%N Earliest sequence with a(a(n)) = Fibonacci(n+1).
%C a(34) > 10^69.
%H <a href="/index/Aa#aan">Index entries for sequences of the a(a(n)) = 2n family</a>
%e a(a(5)) = a(13) = 8.
%Y Cf. A000045.
%K nice,nonn
%O 0,3
%A _Henry Bottomley_, Apr 28 2000