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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 9 |
| 3 | 21 |
| 4 | 24 |
| 5 | 30 |
| 6 | 33 |
| 7 | 39 |
| 8 | 48 |
| 9 | 51 |
| 10 | 57 |
| 11 | 63 |
| 12 | 75 |
| 13 | 102 |
| 14 | 111 |
| 15 | 129 |
| 16 | 138 |
| 17 | 147 |
| 18 | 162 |
| 19 | 180 |
| 20 | 189 |
| 21 | 195 |
| 22 | 198 |
| 23 | 207 |
| 24 | 222 |
| 25 | 225 |
| 26 | 231 |
| 27 | 240 |
| 28 | 249 |
| 29 | 267 |
| 30 | 270 |
| 31 | 288 |
| 32 | 297 |
| 33 | 330 |
| 34 | 336 |
| 35 | 339 |
| 36 | 342 |
| 37 | 348 |
| 38 | 351 |
| 39 | 354 |
| 40 | 357 |
| 41 | 363 |
| 42 | 369 |
| 43 | 372 |
| 44 | 381 |
| 45 | 396 |
| 46 | 399 |
| 47 | 402 |
| 48 | 405 |
| 49 | 411 |
| 50 | 429 |
| 51 | 432 |
| 52 | 465 |
| 53 | 468 |
| 54 | 477 |
| 55 | 480 |
[3,9,21,24,30,33,39,48,51,57,63,75,102,111,129, 138,147,162,180,189,195,198,207,222,225,231,240, 249,267,270,288,297,330,336,339,342,348,351,354, 357,363,369,372,381,396,399,402,405,411,429,432, 465,468,477,480] |