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The next number is 9. The sequence is - starting with the 1st digit, you add 2 each time. Starting at the 2nd digit, each number is a square. Therefore the next two numbers would be 9 (7+2) and 25 (5x5)

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14y ago

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25

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Anonymous

4y ago
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Q: What is the next number in the series 1-1-3-4-5-9-7-16?
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