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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 39 |
| 2 | 961 |
| 3 | 19131 |
| 4 | 336217 |
| 5 | 5446035 |
| 6 | 83308177 |
| 7 | 1221791547 |
| 8 | 17352006793 |
| 9 | 240304555491 |
| 10 | 3261449180353 |
| 11 | 43542585627723 |
| 12 | 573464912457529 |
| 13 | 7467052092622707 |
| 14 | 96294712139682289 |
| 15 | 1231626797709018459 |
[1,39,961,19131,336217,5446035,83308177, 1221791547,17352006793,240304555491,3261449180353, 43542585627723,573464912457529,7467052092622707, 96294712139682289,1231626797709018459] |