ermite series coefficients ordered from low to
        high.
    pow : integer
        Power to which the series will be raised
    maxpower : integer, optional
        Maximum power allowed. This is mainly to limit growth of the series
        to unmanageable size. Default is 16

    Returns
    -------
    coef : ndarray
        Hermite series of power.

    See Also
    --------
    hermadd, hermsub, hermmulx, hermmul, hermdiv

    Examples
    --------
    >>> from numpy.polynomial.hermite import hermpow
    >>> hermpow([1, 2, 3], 2)
    array([81.,  52.,  82.,  12.,   9.])

    )