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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 9 |
| 4 | 17 |
| 5 | 55 |
| 6 | 77 |
| 7 | 133 |
| 8 | 195 |
| 9 | 357 |
| 10 | 1537 |
| 11 | 2629 |
| 12 | 3409 |
| 13 | 8007 |
| 14 | 25671 |
| 15 | 48003 |
| 16 | 55811 |
| 17 | 94983 |
[1,3,9,17,55,77,133,195,357,1537,2629,3409,8007, 25671,48003,55811,94983] |