Do problem 5 on p. 153 of the textbook.
The recurrence relation should state that it holds
only for n such that n > 1 and n is a power of 2.
You may prefer to write the recurrence relation and basis
step in the form used in class:
P(20)
=
1
P(2n)
=
2P(2(n - 1)) + 3, for n > 0
(Hint: You may find the result of Example 15
on p. 99 useful.)