The Fibonacci sequence is the set of numbers 1,1,2,3,5,8,13,21…………….
In which each number from the third onwards is obtained by
adding the previous two. For example, 5 = 2 + 3 while 21 =
8 + 13.
Fibonacci (1180 - 1250) was an Italian mathematician who is
said to have introduced the sequence in connection with a
problem about the grown in the number of rabbits. The Fibonacci
numbers are a sequence of numbers named after Leonardo of
Pisa, known as Fibonacci. Any sequence which obeys this rule
is a Fibonacci sequence, no matter what the first two numbers
are. For example, 4,7,11,18,29,47………