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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 11 |
| 3 | 219 |
| 4 | 8353 |
| 5 | 501441 |
| 6 | 43953387 |
| 7 | 5289422019 |
| 8 | 837277689897 |
| 9 | 168675250704201 |
| 10 | 42143281220724723 |
| 11 | 12789052583333211963 |
| 12 | 4633606346714879986017 |
| 13 | 1975686665736618600155505 |
| 14 | 979311369588813584600206491 |
| 15 | 558412149326539306097214853299 |
| 16 | 362948190926517939498607117046169 |
[1,11,219,8353,501441,43953387,5289422019, 837277689897,168675250704201,42143281220724723, 12789052583333211963,4633606346714879986017, 1975686665736618600155505, 979311369588813584600206491, 558412149326539306097214853299, 362948190926517939498607117046169] |