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.
[18, -733, 974, 585, -687, 572, 157, -644, 152, 776, -726, -14, 72, -614, -923, 543, 126, 572, 834, 351]