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@143 --rename fib143

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

assert_eq!(fib143::VALUE, 343358302784187294870275058337);

Constants

VALUE

The 143rd Fibonacci number: 343358302784187294870275058337