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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 21 |
| 3 | 2037 |
| 4 | 4794357 |
| 5 | 196340164597 |
| 6 | 61763612763039733 |
| 7 | 151115717157847371950069 |
| 8 | 346153123972842504418905182250997 |
| 9 | 26760894238193478629425592359457151764735989 |
| 10 | 32693238205135988878951555893647307218529027276340275189 |
[1,21,2037,4794357,196340164597,61763612763039733, 151115717157847371950069, 346153123972842504418905182250997, 26760894238193478629425592359457151764735989, 32693238205135988878951555893647307218529027276340\ 275189] |