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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 8 |
| 3 | 18 |
| 4 | 30 |
| 5 | 36 |
| 6 | 38 |
| 7 | 44 |
| 8 | 66 |
| 9 | 78 |
| 10 | 90 |
| 11 | 98 |
| 12 | 104 |
| 13 | 116 |
| 14 | 134 |
| 15 | 140 |
| 16 | 144 |
| 17 | 156 |
| 18 | 164 |
| 19 | 168 |
| 20 | 170 |
| 21 | 200 |
| 22 | 228 |
| 23 | 230 |
| 24 | 246 |
| 25 | 248 |
| 26 | 260 |
| 27 | 276 |
| 28 | 296 |
| 29 | 318 |
| 30 | 344 |
| 31 | 354 |
| 32 | 374 |
| 33 | 378 |
| 34 | 380 |
| 35 | 386 |
| 36 | 408 |
| 37 | 420 |
| 38 | 426 |
| 39 | 450 |
| 40 | 464 |
| 41 | 468 |
| 42 | 480 |
| 43 | 500 |
| 44 | 510 |
| 45 | 546 |
| 46 | 576 |
| 47 | 578 |
| 48 | 584 |
| 49 | 606 |
| 50 | 608 |
| 51 | 618 |
| 52 | 620 |
| 53 | 630 |
| 54 | 654 |
| 55 | 678 |
[6,8,18,30,36,38,44,66,78,90,98,104,116,134,140, 144,156,164,168,170,200,228,230,246,248,260,276, 296,318,344,354,374,378,380,386,408,420,426,450, 464,468,480,500,510,546,576,578,584,606,608,618, 620,630,654,678] |