What is the 100th term of the Fibonacci Sequence. X n fn 1fn 5. Fibonacci numbers are named after Italian mathematician Leonardo of Pisa later known as FibonacciIn his 1202 book Liber Abaci Fibonacci.
We can also use the derived formula below.
The pattern we see here is that each cohort or generation remains as part of the next and in addition each grown-up pair contributes a baby pair. 55 89 144. Thus the sequence begins. Here is a short list of the Fibonacci sequence.