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What is the pattern for 3, 19, 99, 499, 2499

  • Math -

    3 = 4(5^0) - 1
    19 = 4(5^1) - 1
    99 = 4(5^2) - 1
    499 = 4(5^3) - 1
    2499 = 4(5^4) - 1

    mmmh?

  • Math -

    Answer is Mr Waffles

  • Math -

    tell me!

  • Math -

    Ghbov

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