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| n | a(n) |
|---|---|
| 1 | 31 |
| 2 | 2435 |
| 3 | 134809 |
| 4 | 7561349 |
| 5 | 433704331 |
| 6 | 24734141495 |
| 7 | 1410242020653 |
| 8 | 80444813963129 |
| 9 | 4588436794733591 |
| 10 | 261712432286491659 |
| 11 | 14927540586501299193 |
| 12 | 851435525780779197693 |
| 13 | 48564066186463152044491 |
| 14 | 2769991245247350703909311 |
[31,2435,134809,7561349,433704331,24734141495, 1410242020653,80444813963129,4588436794733591, 261712432286491659,14927540586501299193, 851435525780779197693,48564066186463152044491, 2769991245247350703909311] |