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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | 97 |
| 3 | 1831 |
| 4 | 43393 |
| 5 | 1242375 |
| 6 | 41818561 |
| 7 | 1620979687 |
| 8 | 71191804801 |
| 9 | 3496805826823 |
| 10 | 190053352702753 |
| 11 | 11329044782441127 |
| 12 | 735151931535979777 |
| 13 | 51600331868857972231 |
| 14 | 3896042468112362132353 |
| 15 | 314921475287825567805799 |
[1,7,97,1831,43393,1242375,41818561,1620979687, 71191804801,3496805826823,190053352702753, 11329044782441127,735151931535979777, 51600331868857972231,3896042468112362132353, 314921475287825567805799] |