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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 2 |
| 3 | 47 |
| 4 | 1171 |
| 5 | 241 |
| 6 | 5101 |
| 7 | 927001 |
| 8 | 94415941 |
| 9 | 662592253 |
| 10 | 310005271 |
| 11 | 148073185207 |
| 12 | 52913532613 |
| 13 | 3074003451811 |
[3,2,47,1171,241,5101,927001,94415941,662592253, 310005271,148073185207,52913532613,3074003451811] |