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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 4 |
| 5 | 10 |
| 6 | 201 |
| 7 | 34458 |
| 8 | 1212060151 |
| 9 | 1305857607493406801 |
| 10 | 1534737681943564047120326770001682121 |
| 11 | 2141290683979549415450148346297540185977813099483710032048213090481251382 |
[2,2,2,4,10,201,34458,1212060151, 1305857607493406801, 1534737681943564047120326770001682121, 21412906839795494154501483462975401859778130994837\ 10032048213090481251382] |