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| n | a(n) |
|---|---|
| 3 | 2298906 |
| 4 | 136547568 |
| 5 | 6486444750 |
| 6 | 272445788808 |
| 7 | 10588228608678 |
| 8 | 390094527889632 |
| 9 | 13820471174703870 |
| 10 | 475213692224985720 |
| 11 | 15959826206607422634 |
| 12 | 525938391754196467536 |
| 13 | 17064848263643902844850 |
| 14 | 546612855015952410743736 |
| 15 | 17320886593911945339408810 |
| 16 | 543869852159220927372363456 |
[2298906,136547568,6486444750,272445788808, 10588228608678,390094527889632,13820471174703870, 475213692224985720,15959826206607422634, 525938391754196467536,17064848263643902844850, 546612855015952410743736, 17320886593911945339408810, 543869852159220927372363456] |