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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 17 |
| 4 | 183 |
| 5 | 3769 |
| 6 | 149607 |
| 7 | 11522393 |
| 8 | 1731779367 |
| 9 | 510323215321 |
| 10 | 295959535117863 |
| 11 | 338795401444537817 |
| 12 | 767301163051807117863 |
| 13 | 3444329717600807441325529 |
| 14 | 30688384795438974301695656487 |
| 15 | 543332627310980056832574442798553 |
[1,3,17,183,3769,149607,11522393,1731779367, 510323215321,295959535117863,338795401444537817, 767301163051807117863,3444329717600807441325529, 30688384795438974301695656487, 543332627310980056832574442798553] |