SOLUTION: Need to write the series in sigma notation 3+6+11+18+27

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Question 880045: Need to write the series in sigma notation
3+6+11+18+27
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
differences
3 5 7 9
second differences
2 2 2 2
3 3 2 0 0
6 5 2 0 0
11 7 2 0
18 9 2
27 11
38
The sixth term is 38