A043268 Sum of digits of n-th base 9 palindrome.
0, 1, 2, 3, 4, 5, 6, 7, 8, 2, 4, 6, 8, 10, 12, 14, 16, 2, 3, 4, 5, 6, 7, 8, 9, 10, 4, 5, 6, 7, 8, 9, 10, 11, 12, 6, 7, 8, 9, 10, 11, 12, 13, 14, 8, 9, 10, 11, 12, 13, 14, 15, 16, 10, 11, 12, 13, 14, 15, 16, 17, 18, 12, 13, 14, 15, 16, 17, 18, 19, 20, 14
Offset: 1
Crossrefs
A029955 (base 9 palindromes)