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A259407 Fibonacci numbers corresponding to the indices mentioned in A214852. 1

%I #17 Apr 07 2020 22:53:07

%S 2,14930352,267914296,956722026041,781774079430987230203437,

%T 178890334785183168257455287891792,

%U 57602132235424755886206198685365216,55835073295300465536628086585786672357234389,15156039800290547036315704478931467953361427680642

%N Fibonacci numbers corresponding to the indices mentioned in A214852.

%C The data correspond to the 3rd, 36th, 42nd, 59th, 116th, 156th, 168th, 211th, 237th Fibonacci numbers.

%C Intersection of A000045 and A031443. - _Michel Marcus_, Jul 31 2015

%F a(n) = A000045(A214852(n)).

%e a(2) = F(36) = 14930352 = 111000111101000110110000_2 has an equal number of 0's and 1's.

%o (Python)

%o f1=1; f2=1

%o while f1>0:

%o ....f3=f1+f2

%o ....c = bin(f3).split('b')[1]

%o ....if c.count("1")==c.count("0"):

%o ........print(f3)

%o ....f1=f2; f2=f3

%Y Cf. A000045, A031443, A214852.

%K nonn,easy,base

%O 1,1

%A _Abhiram R Devesh_, Jun 26 2015

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)