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@138 --rename fib138

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

assert_eq!(fib138::VALUE, 30960598847965113057878492344);

Constants

VALUE

The 138th Fibonacci number: 30960598847965113057878492344