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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 6 |
| 3 | 8 |
| 4 | 10 |
| 5 | 22 |
| 6 | 46 |
| 7 | 58 |
| 8 | 82 |
| 9 | 106 |
| 10 | 166 |
| 11 | 178 |
| 12 | 188 |
| 13 | 226 |
| 14 | 262 |
| 15 | 285 |
| 16 | 346 |
| 17 | 358 |
| 18 | 382 |
| 19 | 466 |
| 20 | 478 |
[2,6,8,10,22,46,58,82,106,166,178,188,226,262,285, 346,358,382,466,478] |