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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 239 |
| 3 | 159667199 |
| 4 | 6974263295999 |
| 5 | 2947253997913233984847871999999 |
| 6 | 98410933013201380282539536547839999999 |
| 7 | 20138421021124611879118377356171332502421503999999999 |
[7,239,159667199,6974263295999, 2947253997913233984847871999999, 98410933013201380282539536547839999999, 20138421021124611879118377356171332502421503999999\ 999] |