# -*- coding: utf-8 -*-
#Author:Oldyuan


def factorialAdd():
    sums = 1
    for i in range(2,20):
        sum1 = i *(i-1)
        print(sum1)
        sums = sums + sum1
    print(sums+1)


def theGame():
    pass


if __name__ =="__main__":
    factorialAdd()
    theGame()








