SOLUTION: what is the next number in the sequence 5,5,4,7,19,45,90

Question 903352: what is the next number in the sequence 5,5,4,7,19,45,90
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
5 0 -1 5 0 0 0
5 -1 4 5 0 0 0
4 3 9 5 0 0
7 12 14 5 0
19 26 19 5
45 45 24
90 69
159
8th term could be 159
Notice the third differences are all 5's.

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