## 0, 1, 1, 3, 1, 6, 1, 7, 4, 8, ?, ?, ?Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.0, 1, 1, 3, 1, 6, 1, 7, 4, 8, ?, ?, ?
## Answer1, 16, 1.The nth term is the sum of the proper divisors of n. The prime numbers have 1 as their only proper divisor. Hide ## What Next?
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