| n | a(n) |
|---|---|
| 1 | 91 |
| 2 | 1751 |
| 3 | 23059 |
| 4 | 275243 |
| 5 | 3336437 |
| 6 | 39543877 |
| 7 | 476435051 |
| 8 | 5674074209 |
| 9 | 68219097971 |
| 10 | 814769931161 |
| 11 | 9781725263921 |
| 12 | 116995909271027 |
| 13 | 1403306980742023 |
| 14 | 16797171022505615 |
| 15 | 201366600573393261 |
| 16 | 2411277822466400339 |
[91,1751,23059,275243,3336437,39543877,476435051, 5674074209,68219097971,814769931161,9781725263921, 116995909271027,1403306980742023, 16797171022505615,201366600573393261, 2411277822466400339] |