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I got this question from an accounting interview:

What is the next number?

0 1 3 8 56 65 ?

What are the rules of the sequence?

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  • 3
    $\begingroup$ It's not 65 instead of 63, is it? $\endgroup$ – Prim3numbah Mar 13 at 8:37
  • $\begingroup$ Correct: 65, I updated my question $\endgroup$ – Chau Giang Mar 13 at 8:44
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The answer is:

715

Reason:

The differences are the odd numbers alternating like this: +1, x3, +5, x7,+9, x11

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  • 5
    $\begingroup$ But don't take the job if they offer. That accounting company isn't the one you want $\endgroup$ – Robert3452 Mar 13 at 19:21

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