A109872 Palindromes such that successive difference of terms is also a palindrome.

1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 44, 55, 66, 77, 88, 99, 101, 202, 303, 404, 505, 606, 707, 808, 909, 1111, 2222, 3333, 4444, 5555, 6666, 7777, 8888, 9999, 10001, 20002, 30003, 40004, 50005, 60006, 70007, 80008, 90009, 110011, 220022, 330033, 440044