Crate fibonacci_numbers 

fibonacci-numbers

First install the version of this crate corresponding to the Fibonacci number you want to use:

cargo add fibonacci-numbers@109 --rename fib109

Then you can use the VALUE constant to get its value:

assert_eq!(fib109::VALUE, 26925748508234281076009);

Constants

VALUE

The 109th Fibonacci number: 26925748508234281076009