Definition: 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.
Input: [18, -271, 984, 712, 730, -773, 910, 614, -505, 608, -240, 170, 422, -197, -166, -718, -404]

[-505, -404]