SOLUTION: Please find the nth term and sum of n terms of the series 3,7,14,27,52....help me with the details and step by step.

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Question 1069822: Please find the nth term and sum of n terms of the series 3,7,14,27,52....help me with the details and step by step.
Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52790)   (Show Source): You can put this solution on YOUR website!
.
This progression is neither arithmetic nor geometric.

In addition, there is no explicit formula for its terms. Also, the pattern is also in a fog, i.e. invisible.


So, I do not know how to get the sum and do not know how you are going to do it.


Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Please find the nth term and sum of n terms of the series 3,7,14,27,52...
-------
3
    4
7        3 
    7
14       6
   13
27      12
   25
52
---
        24
   49
101

==========
That's one possibility.
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