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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 6 |
| 3 | 58 |
| 4 | 8101 |
| 5 | 89985114 |
| 6 | 22089507491155126 |
| 7 | 2457502288896787901004780458412847 |
| 8 | 12554175242052953418674713774209554758916233763350899061095544560310 |
[2,6,58,8101,89985114,22089507491155126, 2457502288896787901004780458412847, 12554175242052953418674713774209554758916233763350\ 899061095544560310] |