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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 57 |
| 2 | 1111 |
| 3 | 17024 |
| 4 | 224155 |
| 5 | 2674957 |
| 6 | 31352962 |
| 7 | 363506969 |
| 8 | 4127383480 |
| 9 | 45630284509 |
| 10 | 502160313778 |
[2,57,1111,17024,224155,2674957,31352962, 363506969,4127383480,45630284509,502160313778] |