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@171 --rename fib171

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

assert_eq!(fib171::VALUE, 244006547798191185585064349218729154);

Constants

VALUE

The 171st Fibonacci number: 244006547798191185585064349218729154