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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | 381 |
| 3 | 50051 |
| 4 | 11899705 |
| 5 | 4787171775 |
| 6 | 2800735142453 |
| 7 | 2286983798222779 |
| 8 | 2476757127978318705 |
| 9 | 3434360322639603491447 |
| 10 | 5940446259665147492879341 |
| 11 | 12533181362722474751715110643 |
| 12 | 31687559294370295303515685200041 |
| 13 | 94578054008984518849163257005668911 |
[1,7,381,50051,11899705,4787171775,2800735142453, 2286983798222779,2476757127978318705, 3434360322639603491447,5940446259665147492879341, 12533181362722474751715110643, 31687559294370295303515685200041, 94578054008984518849163257005668911] |