def mermin_klyshko_quantum_bound(n):
    """The quantum bound for the Mermin-Klyshko inequality is :math:`2^{3(n-1)/2}`.

    :param n: The number of measurement nodes.
    :type n: Int

    :returns: The quantum bound.
    :rtype: Float
    """
    return 2 ** (3 * (n - 1) / 2)