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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 5 |
| 3 | 9 |
| 4 | 12 |
| 5 | 27 |
| 6 | 51 |
| 7 | 53 |
| 8 | 147 |
| 9 | 155 |
| 10 | 257 |
| 11 | 519 |
| 12 | 603 |
| 13 | 2885 |
| 14 | 9509 |
| 15 | 10524 |
| 16 | 19650 |
| 17 | 32508 |
| 18 | 79445 |
| 19 | 158909 |
[3,5,9,12,27,51,53,147,155,257,519,603,2885,9509, 10524,19650,32508,79445,158909] |