UlamHypothesis

public class Ulam {

    public static void main(String[] args) {

        int num, print; // declare variable to store results
        for (num = 1; num <= 25; num++) { // initialize for loop
            print = num; // initialize results to 1, which is the value of "i"

            System.out.printf("\n%,d: ", print);

           do {
                if (print % 2 == 0) { // check if number is even
                    print /= 2;
                } else { // if odd
                    print = (print * 3) + 1;
                }
                System.out.printf("%,d ", print); // append number on the same line
            } while (print != 1);
            System.out.println(); // PRINTS AN EMPTY SPACE
        }
    }
}