A combinatorial formula for finding the $N$-th object of a Fibonacci sequence?
8336
How are we able to calculate specific numbers in the Fibonacci Sequence?
64328
How to prove that the Binet formula gives the terms of the Fibonacci Sequence?
925
Prove that $F_n={n-1 \choose 0 }+{n-2 \choose 1 }+{n-3 \choose 2 }+\ldots$ where $F(n)$ is the $n$-th fibonacci number
103347
combinatorial proof of summation
142477
Closed-form expression for the number of $k$-permutations of length $n$. Duplicates allowed!
57416
Fibonacci identity: $f_{n-1}f_{n+1} - f_{n}^2 = (-1)^n$
26973
Relation between Pascal's triangle and fibonacci series.
57043
Fibonacci Sequence Generator
14784
Inductive proof of the closed formula for the Fibonacci sequence
36388
How to derive this Combinatorial identity
79640
Function of a sequence of numbers
45788
$n$-th digit in the sequence of natural numbers
61592
Exponential generating function to find recurrence formula $a_n$
130820
The generating function for the Fibonacci numbers
20592
How to find the nth term of tribonacci series
5187
An analogue of Hensel's lifting for Fibonacci numbers
58088
Find recursive formula for sequence $a_n = \left(\frac23\right)^n + n$