def count_sequential_window_increases(arr: list) -> int:
    """
    Args:
        arr (list): list of numeric values
    Returns:
        count of number of times that the sum of a rolling 3 element window is larger than
        the previous adjacent 3 element window
    """
    return sum(sum(arr[i-4:i-1]) < sum(arr[i-3:i])
               for i in range(3, len(arr)))