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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 6 |
| 3 | 9 |
| 4 | 12 |
| 5 | 21 |
| 6 | 30 |
| 7 | 33 |
| 8 | 36 |
| 9 | 45 |
| 10 | 48 |
| 11 | 60 |
| 12 | 69 |
| 13 | 72 |
| 14 | 75 |
| 15 | 81 |
| 16 | 87 |
| 17 | 99 |
| 18 | 108 |
| 19 | 111 |
| 20 | 114 |
| 21 | 117 |
| 22 | 120 |
| 23 | 123 |
| 24 | 126 |
| 25 | 129 |
| 26 | 153 |
| 27 | 165 |
| 28 | 168 |
| 29 | 174 |
| 30 | 177 |
| 31 | 183 |
| 32 | 201 |
| 33 | 204 |
| 34 | 207 |
| 35 | 222 |
| 36 | 234 |
| 37 | 243 |
| 38 | 252 |
| 39 | 267 |
| 40 | 279 |
| 41 | 282 |
| 42 | 285 |
| 43 | 294 |
| 44 | 303 |
| 45 | 312 |
| 46 | 315 |
| 47 | 318 |
| 48 | 339 |
| 49 | 345 |
| 50 | 348 |
| 51 | 369 |
| 52 | 378 |
| 53 | 381 |
| 54 | 384 |
| 55 | 393 |
| 56 | 396 |
[3,6,9,12,21,30,33,36,45,48,60,69,72,75,81,87,99, 108,111,114,117,120,123,126,129,153,165,168,174, 177,183,201,204,207,222,234,243,252,267,279,282, 285,294,303,312,315,318,339,345,348,369,378,381, 384,393,396] |