Question

What is the sum of the first 14 terms in the Fibonacci Sequence?

Answer 1

(plural Fi·bo·nac·ci se·quenc·es)
noun
sequence of numbers: an unending series of numbers in which each number except for the first two is the sum of the preceding two, e.g. 0,1,1,2,3,5,8....
Such sequences frequently have applications in botany, psychology, and astronomy.


[After Leonardo Fibonacci, 13th century Italian mathematician]

Answer 2

http://mathforum.org/library/drmath/view/52707.html

Answer 3

0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233
add these using a calculator...
sum=609

Answer 4

it is the sixteenth Fibonacci number minus one

Answer 5

in other words
\[\sum_{k=1}^nf_k=f_{n+2}-1\]