8. (14 points) Let dj = 1, a2 = 4, and an = 2an-1 - An-2+2...

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Question

8. (14 points) Let dj = 1, a2 = 4, and an = 2an-1 - An-2+2 for n > 3. Prove that an = n2 for all all natural numbers n.

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