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14 August, 11:23

Explicit formula for 79,71,63,55

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  1. 14 August, 11:36
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    Your sequence has a common difference of - 8, so could be considered an arithmetic sequence with first term 79. A formula for the n-th term might be ...

    ... a[n] = 79 - 8 (n - 1)

    or

    ... a[n] = 87 - 8n
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