Fibonacci sequence

Calculation result

Fibonacci sequence with first number being 0 and second number being 1

10th number: 34

Sequence up to 20th: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181

nthValue
10
21
31
42
53
65
78
813
921
1034
1155
1289
13144
14233
15377
16610
17987
181597
192584
204181

About the calculation of Fibonacci sequence

Enter the nth term and click "calculate the Fibonacci sequence", The specified nth value is calculated and displayed.

You can also change the number of first and second.

Please enter up to 15 digits for First number and Second number, and up to 10,000 for nth term.

What is Fibonacci sequence?

The Fibonacci sequence is a sequence of numbers in which each term is the sum of the two previous terms.

If the first term is 0 and the second term is 1, the sequence looks like this:

0, 1, 1, 2, 3, 5, 8, 13, 21, 34...
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