In this task you will be given a list of integers. You should only return an integer if the first digit is the same as the last digit in the number. If an integer has a single digit, then it should be returned. If there are no integers that start and end with the same digit then an empty list ("[]") should be returned.
[-659, 746, -304, 709, 49, 432, -12, 260, -901, -399, 338, -518, -1000, -546, -814, 21, -392]