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@177 --rename fib177

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

assert_eq!(fib177::VALUE, 4378519841510949178490918731459856482);

Constants

VALUE

The 177th Fibonacci number: 4378519841510949178490918731459856482