SOLUTION: In the sequence which begins 2, 3, 5, 10... each number after the second sum of all the previous numbers in the sequence. What is the 10th number in the sequence?

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Question 858024: In the sequence which begins 2, 3, 5, 10... each number after the second sum of all the previous numbers in the sequence.
What is the 10th number in the sequence?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a_n = 60/(n^2-13 n+42)
a10 = 60/(10^2-13*10 +42)
a10 = 60/(12)=5
I have no idea what you are talking about " each number after the second sum of all the previous numbers in the sequence."