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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 641 |
| 3 | 195709 |
| 4 | 46922017 |
| 5 | 10258694241 |
| 6 | 2176464012941 |
| 7 | 460827731023773 |
| 8 | 98540942707986273 |
| 9 | 21364658238692907265 |
| 10 | 4697818999010952011441 |
| 11 | 1046430770756355786405517 |
| 12 | 235755137688345453796236397 |
| 13 | 53640184515807269993604743389 |
| 14 | 12308974812428409561104536925709 |
[1,641,195709,46922017,10258694241,2176464012941, 460827731023773,98540942707986273, 21364658238692907265,4697818999010952011441, 1046430770756355786405517, 235755137688345453796236397, 53640184515807269993604743389, 12308974812428409561104536925709] |