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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 7 |
| 3 | 15 |
| 4 | 19 |
| 5 | 21 |
| 6 | 23 |
| 7 | 27 |
| 8 | 43 |
| 9 | 45 |
| 10 | 63 |
| 11 | 71 |
| 12 | 75 |
| 13 | 77 |
| 14 | 81 |
| 15 | 99 |
| 16 | 101 |
| 17 | 105 |
| 18 | 111 |
| 19 | 135 |
| 20 | 147 |
| 21 | 159 |
| 22 | 165 |
| 23 | 175 |
| 24 | 183 |
| 25 | 189 |
| 26 | 195 |
| 27 | 225 |
| 28 | 231 |
| 29 | 235 |
| 30 | 237 |
| 31 | 243 |
| 32 | 255 |
| 33 | 261 |
| 34 | 273 |
| 35 | 285 |
| 36 | 309 |
| 37 | 315 |
| 38 | 335 |
| 39 | 345 |
| 40 | 357 |
| 41 | 363 |
| 42 | 375 |
| 43 | 381 |
| 44 | 423 |
| 45 | 435 |
| 46 | 483 |
| 47 | 495 |
| 48 | 507 |
| 49 | 553 |
| 50 | 555 |
| 51 | 573 |
| 52 | 585 |
| 53 | 645 |
| 54 | 663 |
| 55 | 669 |
| 56 | 675 |
[6,7,15,19,21,23,27,43,45,63,71,75,77,81,99,101, 105,111,135,147,159,165,175,183,189,195,225,231, 235,237,243,255,261,273,285,309,315,335,345,357, 363,375,381,423,435,483,495,507,553,555,573,585, 645,663,669,675] |