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| n | a(n) |
|---|---|
| 1 | 91 |
| 2 | 201 |
| 3 | 397 |
| 4 | 765 |
| 5 | 1459 |
| 6 | 2751 |
| 7 | 5215 |
| 8 | 9855 |
| 9 | 18759 |
| 10 | 35741 |
| 11 | 68529 |
| 12 | 131739 |
| 13 | 254515 |
| 14 | 493209 |
| 15 | 959339 |
| 16 | 1871379 |
| 17 | 3660547 |
| 18 | 7178105 |
| 19 | 14104015 |
| 20 | 27769453 |
| 21 | 54754733 |
| 22 | 108142387 |
| 23 | 213809725 |
| 24 | 423287363 |
| 25 | 838643733 |
| 26 | 1663340421 |
| 27 | 3300898801 |
[91,201,397,765,1459,2751,5215,9855,18759,35741, 68529,131739,254515,493209,959339,1871379,3660547, 7178105,14104015,27769453,54754733,108142387, 213809725,423287363,838643733,1663340421, 3300898801] |