| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 7 |
| 9 | 8 |
| 10 | 9 |
| 11 | 10 |
| 12 | 11 |
| 13 | 12 |
| 14 | 21 |
| 15 | 22 |
| 16 | 23 |
| 17 | 32 |
| 18 | 33 |
| 19 | 34 |
| 20 | 43 |
| 21 | 44 |
| 22 | 45 |
| 23 | 54 |
| 24 | 55 |
| 25 | 56 |
| 26 | 65 |
| 27 | 66 |
| 28 | 67 |
| 29 | 76 |
| 30 | 77 |
| 31 | 78 |
| 32 | 87 |
| 33 | 88 |
| 34 | 89 |
| 35 | 98 |
| 36 | 99 |
| 37 | 100 |
| 38 | 101 |
| 39 | 102 |
| 40 | 110 |
| 41 | 111 |
| 42 | 112 |
| 43 | 120 |
| 44 | 121 |
| 45 | 122 |
| 46 | 123 |
| 47 | 132 |
| 48 | 133 |
| 49 | 134 |
| 50 | 135 |
| 51 | 143 |
| 52 | 145 |
| 53 | 146 |
| 54 | 147 |
| 55 | 153 |
| 56 | 154 |
| 57 | 157 |
| 58 | 158 |
| 59 | 159 |
| 60 | 164 |
| 61 | 169 |
| 62 | 174 |
| 63 | 175 |
| 64 | 185 |
[0,1,2,3,4,5,6,7,8,9,10,11,12,21,22,23,32,33,34, 43,44,45,54,55,56,65,66,67,76,77,78,87,88,89,98, 99,100,101,102,110,111,112,120,121,122,123,132, 133,134,135,143,145,146,147,153,154,157,158,159, 164,169,174,175,185] |