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There are infinitely many possible solutions. One possible answer is 213 which is the next number generated by the rule:

Un = (103n4 - 1242n3 + 5201n2 - 8670n + 4680)/24

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7y ago
This answer is:
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11y ago

There are infinitely many possible solutions. One possible answer is 213 which is the next number generated by the rule:

Un= (103n4 - 1242n3+ 5201n2- 8670n + 4680)/24

This answer is:
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Q: What is the next number 3 -6 12 4 20?
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