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A Recurrence formula

  1. Nov 7, 2017 #1
    What is the recurrence formula for the sequence

    [3,5,13,27,55,...]

    Thank you for any help.
     
  2. jcsd
  3. Nov 7, 2017 #2

    mfb

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    2017 Award

    Staff: Mentor

  4. Nov 7, 2017 #3
    You are right. It is 6 instead of 5. Thank you for the valuable link.
     
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