A055121 Base 11 complement of n (write n in base 11, then replace each digit by its base 11 negative).

0, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 110, 120, 119, 118, 117, 116, 115, 114, 113, 112, 111, 99, 109, 108, 107, 106, 105, 104, 103, 102, 101, 100, 88, 98, 97, 96, 95, 94, 93, 92, 91, 90, 89, 77, 87, 86, 85, 84, 83, 82, 81, 80, 79, 78, 66, 76, 75, 74, 73, 72, 71, 70, 69, 68, 67