the fibonacci sequence, also known as the golden section sequence, refers to a sequence of numbers: 0, 1, 1, 2, 3, 5, 8, 13, 21,... in mathematics, the fibonacci sequence is as follows defined recursively: f0=0, f1=1, fn=f(n-1)+f(n-2 ) (n>=2, n∈n*) in modern physics, quasicrystal structure, chemistry and other fields, the fibonacci sequence has direct applications. for this reason, the american mathematical society has published a book titled "fibo" since 1963. a mathematical magazine named "nach sequence quarterly", which is dedicated to publishing research results in this area.

the fibonacci sequence refers to a sequence of numbers 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, ...

special point out: 0 is the 0th item, not the 1st item.

the sequence starts with the second term, and each term is equal to the sum of the previous two terms.

the inventor of the fibonacci sequence was italian mathematician leonardo fibonacci.