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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 137903 |
| 3 | 5518106750 |
| 4 | 141214773950750 |
| 5 | 2924071505958808678 |
| 6 | 53779936199829106443992 |
| 7 | 917968752799614564923238137 |
| 8 | 14884525123004189113290707573130 |
| 9 | 232434987260581625545547524846144926 |
| 10 | 3526571954425676876273500130967936161612 |
[1,137903,5518106750,141214773950750, 2924071505958808678,53779936199829106443992, 917968752799614564923238137, 14884525123004189113290707573130, 232434987260581625545547524846144926, 3526571954425676876273500130967936161612] |