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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 15 |
| 4 | 77 |
| 5 | 5301 |
| 6 | 189679 |
| 7 | 87596289 |
| 8 | 21608003585 |
| 9 | 68221625702463 |
| 10 | 115452529488363949 |
| 11 | 2497495662248930113941 |
| 12 | 80258100236324702562311 |
| 13 | 4295613290302749695769359713665 |
| 14 | 341566880541004135370464340131322497 |
[1,1,15,77,5301,189679,87596289,21608003585, 68221625702463,115452529488363949, 2497495662248930113941,80258100236324702562311, 4295613290302749695769359713665, 341566880541004135370464340131322497] |