find-nth-term-of-1-4-16-74-404-2578-

Question Number 189613 by mokys last updated on 19/Mar/23

f i n d n t h t e r m o f (1, 4, 16, 74, 404, 2578) ?

Answered by Frix last updated on 19/Mar/23

One of infinite possibilities :

a_{n} = \frac{1157 n^{5}}{120} - \frac{547 n^{4}}{4} + \frac{17927 n^{3}}{24} - \frac{7705 n^{2}}{4} + \frac{11527 n}{5} - 998

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