The next number in the series is 2,5,11,20,32,47, is

Discussion in 'Calculator Requests' started by math_celebrity, Jan 14, 2017.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    The next number in the series is 2,5,11,20,32,47, is

    It looks like we are taking multiples of 3.
    So each term S(n) = S(n - 1) + 3(n - 1)

    So S(7) = S(6) + 3(7 - 1)
    S(7) = 47 + 3(6)
    S(7) = 47 + 18
    S(7) = 65
     
    math_celebrity, Jan 14, 2017
    #1

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