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.
[-555, -242, 868, 782, 654, -407, 251, -120, 776, -641, 904, 673, 883, -958, -570, -54, -641, -92, -947, 491]