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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _make_sampling_sequence(n):
 # type: (int) -> List[int] """ Return a list containing the proposed call event sampling sequence. Return events are paired with call events and not counted separately. The total list size is n. """

    seq = list(range(5))
    i = 50
    while len(seq) < n:
        seq.append(i)
        i += 50
    return seq