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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 4 |
| 5 | 9 |
| 6 | 10 |
| 7 | 12 |
| 8 | 27 |
| 9 | 28 |
| 10 | 30 |
| 11 | 31 |
| 12 | 36 |
| 13 | 81 |
| 14 | 82 |
| 15 | 84 |
| 16 | 85 |
| 17 | 90 |
| 18 | 93 |
| 19 | 108 |
| 20 | 243 |
| 21 | 244 |
| 22 | 246 |
| 23 | 247 |
| 24 | 252 |
| 25 | 253 |
| 26 | 255 |
| 27 | 270 |
| 28 | 279 |
| 29 | 324 |
| 30 | 729 |
| 31 | 730 |
| 32 | 732 |
| 33 | 733 |
| 34 | 738 |
| 35 | 739 |
| 36 | 741 |
| 37 | 756 |
| 38 | 759 |
| 39 | 765 |
| 40 | 810 |
| 41 | 837 |
| 42 | 972 |
| 43 | 2187 |
| 44 | 2188 |
| 45 | 2190 |
| 46 | 2191 |
| 47 | 2196 |
| 48 | 2197 |
| 49 | 2199 |
| 50 | 2214 |
| 51 | 2215 |
| 52 | 2217 |
| 53 | 2218 |
| 54 | 2223 |
[0,1,3,4,9,10,12,27,28,30,31,36,81,82,84,85,90,93, 108,243,244,246,247,252,253,255,270,279,324,729, 730,732,733,738,739,741,756,759,765,810,837,972, 2187,2188,2190,2191,2196,2197,2199,2214,2215,2217, 2218,2223] |