How to write the index number in the Wolfram Alpha search engine

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I am trying to see some results for my sequence in Wolfram Alpha, but I don't know how to enter the "n" letter as an index. My sequence is a_(n+1) = ((3a_n)+2)/5. The reddit answer with underscores does not help a­­­­_(n+1) = (3a_n+2)/5, neither does the subscript function. subsrcript[a­­­­, n+1] = (3*subscript[a, n]+2)/. What is the right syntax?

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1 Answer

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You can try { and }. Just have a look at : (3a_%7Bn%7D%2B2)%2F5

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