Fibonacci Sequence Generator
First N terms of the Fibonacci sequence, exact for big numbers.
01123581321345589144233377610987159725844181
Last term (F19): 4181
Sum of all terms: 10945
Each term is the sum of the two before it. Starts at 0, 1. Big numbers stay exact thanks to BigInt.
About
Enter a count up to 200, get the sequence. Big numbers stay exact thanks to BigInt. Includes the last term and the running sum.
How to use
- Enter how many terms.
- Copy the sequence or read the last term.
FAQ
Why cap at 200?+
F(200) is already a 42-digit number. Past that the output gets unwieldy in a browser without giving you anything useful.