public class Test {
//1!+2!+3!+4!
public static void main(String []args){
int count =0;
for(int i=1;i<10;i++){
count+=function(i);
System.out.println(count);
}
}
public static int function(int j){
if(j<1){
return 0;
}else if (j==1) {
return 1;
}else {
return j*function(j-1);
}
}
}
