The two number before a number are added to get the next number.
So if the first numbers are 0,1,1,2,3,5, and 8 for example.
You add 0+1=1 which is the third number. 1+1=2 which is the 4th number in the sequence etc.
Of course, you can do this forever so the sequence is infinite.
In symbols we write the sum as Fn =Fn-1 +Fn-2
The n refers to the nth number in the sequence. For example if n=4, than Fn =2
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A Fibonacci number series is like the example below, 1,1,2,3,5,8,13,21,34,55,89,144,233,377,610...... and so on in general Fibonacci numbers are just the previous two numbers added together starting with 1 and 0 then goes on forever.
Hindu studies of combinatorics but Pascal discoevered more uses for it. If you add up the diagonals of Pascal's triangle, the sums are the entries of the Fibonacci Sequence.
If you mean 27.905 added 3 times then it is 83.715
Fibonacci is most famous for his description of the number sequence, which in the 19th century was given the name 'Fibonacci numbers' . The sequence is made by starting with two ones, and adding them up, then to make every new term, the previous two terms need to be added together.
I think Fibonacci wanted to find how many swirls or petals were on a flower ....... most of them are Fibonacci numbers....i think.... doin a projct......= )