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| n | a(n) |
|---|---|
| 1 | 215 |
| 2 | 106820 |
| 3 | 65476730 |
| 4 | 44355884860 |
| 5 | 31871222091735 |
| 6 | 23809740820038860 |
| 7 | 18286634336378438820 |
| 8 | 14338651143931504204140 |
| 9 | 11425366917170617116755180 |
| 10 | 9221856681066077433854516240 |
[215,106820,65476730,44355884860,31871222091735, 23809740820038860,18286634336378438820, 14338651143931504204140, 11425366917170617116755180, 9221856681066077433854516240] |