You can read more at: https://en.wikipedia.org/wiki/Collatz_conjecture

3n+1.go

package main

import (
	"fmt"
	"time"
)

/*
	Rules:
	if the number is odd -> multiply by three and add 1 (one)
	if the number is even -> divide by 2 (two)
*/

func main() {

	startPoint := 7
	for {
		startPoint = RuleChecker(startPoint)
		fmt.Println(startPoint)
		time.Sleep(time.Second)
	}

}

func RuleChecker(number int) int {

	if number%2 != 0 {
		return (number * 3) + 1
	}
	return number / 2

}