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How many ways are there to pick an ordered tuple of 5 elements from the set of positive integers between 1 and 50

inclusive, provided that there must be at least one consecutive sequence of 4 consecutive elements?

Top Answer

N 1 : if the sequence of the 4 numbers is at the beginning N 1 = 5 0 x 2 x 1 x 1 x... View the full answer

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