Ancestrally Speaking Puzzle

The Puzzle:

Hungry Horace was looking through the family photograph album, which has a photo of each of his parent, each of his grandparents, all the way up to each of his great-great-great-grandparents.

How many photos is that?

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Do you have the answer? Check against our solution!

Our Solution:

2 parents
4 grandparents
8 great-grandparents
16 great-great-grandparents
32 great-great-great-grandparents

2 + 4 + 8 + 16 + 32 = 62 photos in all.