SOLUTION: 3 14 39 84 115 what will be the next number

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Question 879703: 3 14 39 84 115 what will be the next number
Answer by richwmiller(17219) About Me  (Show Source):
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3 11 14 6 -40
14 25 20 -34 -40
39 45 -14 -74
84 31 -88
115 -57
58
t=-1*(5/3)*n^4+(53/3)*n^3-1*(172/3)*n^2+1*(253/3)*n-40
1 3
2 14
3 39
4 84
5 115
6 58
7 -201
8 -816
9 -1981
10 -3930