Question 1174550
.
<pre>

You have an EXPLICIT formula to move from n= 0 to n= 1;

    then from n= 1 to n= 2;

    then from n= 2 to n= 3;

    then from n= 3 to n= 4.


So, do it as instructed, using the formula.
</pre>


You are FULLY INSTRUCTED.