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@186 --rename fib186

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

assert_eq!(fib186::VALUE, 332825110087067562321196029789634457848);

Constants

VALUE

The 186th Fibonacci number: 332825110087067562321196029789634457848