Question:

Find the 6th no. of series 1,2,6,42,1806,...?

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Find the 6th no. of series 1,2,6,42,1806,...?

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  1. Multiply each number by the number 1 greater than it.

    1*2 = 2

    2*3 = 6

    6*7 = 42

    42*43 = 1806


  2. 3263442

    T_n = T_(n-1) * (T_(n-1) + 1)

  3. it is 3263442

    that is the right answer

  4. Next number is 336102:

    Look you take the number n (n order of the number in the series not its value), you add to its value and multiply it b y the original value...

    Example: take number 2. to reach 6 you add 1 to 2 (1+2 = 3) and you multiply it by the original number (2) => 3 x 2 = 6.

    Hope to get 10 points.

  5. 3,263,442

    or you could say 1.... since 1,2,6,42, and the next number is 1

  6. 3263442

    Sequence take previous number(n) and then multipy by n+1

    ie.1806*1807 = 3263442

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