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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | 4832 |
| 3 | 2011408 |
| 4 | 788413732 |
| 5 | 338492165113 |
| 6 | 137392239151483 |
| 7 | 56812094297072361 |
| 8 | 23450223795056965768 |
| 9 | 9661365299560395267479 |
| 10 | 3986225747511059714872292 |
| 11 | 1659381795764172958697150213 |
| 12 | 690830705841882281971622500463 |
| 13 | 287606286776941725257756705794089 |
[1,7,4832,2011408,788413732,338492165113, 137392239151483,56812094297072361, 23450223795056965768,9661365299560395267479, 3986225747511059714872292, 1659381795764172958697150213, 690830705841882281971622500463, 287606286776941725257756705794089] |