I would like to calculate the possible password combinations for a password that is 60 characters long, has the letters a-f and numbers 0-9. Also no character should repeat successively more than 7 times. Is there any way to calculate the possible combinations? Thanks in advance.

  • $\begingroup$ It would have approximately $60^{16}$ possible combinations, less if you want to reduce repeats. $\endgroup$
    – forest
    Jan 12 at 2:14
  • $\begingroup$ Even tough the maximum amount of successive repeats per character should be 7? $\endgroup$
    – pg00
    Jan 12 at 2:25
  • $\begingroup$ That would reduce the number of combinations, but not by all that much. $\endgroup$
    – forest
    Jan 12 at 2:36
  • 2
    $\begingroup$ Sorry, I meant $16^{60}$, not $60^{16}$. $\endgroup$
    – forest
    Jan 12 at 4:18

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