A064844 Number of iterations of x -> x + A064834(x) to reach a palindrome, starting with n (or -1 if no palindrome is ever reached).

0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 6, 5, 6, 4, 2, 5, 7, 3, 1, 1, 0, 4, 3, 6, 2, 2, 5, 7, 1, 1, 1, 0, 4, 3, 6, 2, 2, 5, 1, 1, 1, 1, 0, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 0, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 0, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1