SOLUTION: what is the formular for finding all these numbers 85,17,19,4,2

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Question 1017346: what is the formular for finding all these numbers 85,17,19,4,2
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
a%5Bn%5D+=+%2839%2F8%29n%5E4-%28253%2F4%29n%5E3%2B%282341%2F8%29n%5E2-%282305%2F4%29n%2B427

Checking:









a%5B5%5D+=+%2839%2F8%295%5E4-%28253%2F4%295%5E3%2B%282341%2F8%295%5E2-%282305%2F4%29%2B427=2





Edwin