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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 12 |
| 3 | 13 |
| 4 | 27 |
| 5 | 28 |
| 6 | 30 |
| 7 | 36 |
| 8 | 39 |
| 9 | 40 |
| 10 | 81 |
| 11 | 82 |
| 12 | 84 |
| 13 | 90 |
| 14 | 91 |
| 15 | 108 |
| 16 | 117 |
| 17 | 120 |
| 18 | 121 |
| 19 | 243 |
| 20 | 244 |
| 21 | 246 |
| 22 | 252 |
| 23 | 270 |
| 24 | 273 |
| 25 | 324 |
| 26 | 328 |
| 27 | 351 |
| 28 | 360 |
| 29 | 363 |
| 30 | 364 |
| 31 | 729 |
| 32 | 730 |
| 33 | 732 |
| 34 | 738 |
| 35 | 756 |
| 36 | 757 |
| 37 | 810 |
| 38 | 819 |
| 39 | 820 |
| 40 | 949 |
| 41 | 972 |
| 42 | 984 |
| 43 | 1036 |
| 44 | 1053 |
| 45 | 1080 |
| 46 | 1089 |
| 47 | 1092 |
| 48 | 1093 |
| 49 | 2187 |
[9,12,13,27,28,30,36,39,40,81,82,84,90,91,108,117, 120,121,243,244,246,252,270,273,324,328,351,360, 363,364,729,730,732,738,756,757,810,819,820,949, 972,984,1036,1053,1080,1089,1092,1093,2187] |