Why, specifically, does this binary Fibonacci algorithm have an exponential runtime complexity?
64680
Computational complexity of Fibonacci Sequence
48838
Proving the number of $n$ length binary strings with no consecutive $1's$ $b_n$ is equal to $b_{n-1} + b_{n-2}$
74839
Catalan numbers: bijection between applications of a binary operator and Dyck words.
5987
Why is NON DISCRETE logarithm problem not hard as the DISCRETE logarithm problem (so computationally hard)?
17269
Strong Induction Proof: Fibonacci number even if and only if 3 divides index
119891
Divisibility and the Fibonacci sequence
62120
Limit of the ratio of consecutive Fibonacci numbers
21945
Explanation of the Fibonacci sequence appearing in the result of 1 divided by 89?
138178
Proving the number of iterations in the Euclidean algorithm
45560
Can all iterative algorithms be expressed recursively?
42105
Fibonacci proof by induction
122048
why is the set of all binary sequences not countable?
45386
Fibonacci sequence emerging from integer partitioning
21361
c++ practical computational complexity of  SQRT()
50827
How to write the Fibonacci Sequence?
48143
What is the need of exponential generating functions on combinatorial problems?
8645
A formula for bit strings with no $k$ consecutive $1$'s using generating functions