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| n | a(n) |
|---|---|
| 1 | 102 |
| 2 | 211332 |
| 3 | 720120000 |
| 4 | 1722187940880 |
| 5 | 4204143930847392 |
| 6 | 11097567635368456704 |
| 7 | 29480432084171748705792 |
| 8 | 78401556201196275000295680 |
| 9 | 210537848971493804380009055232 |
| 10 | 569368618586592872585662539389952 |
[102,211332,720120000,1722187940880, 4204143930847392,11097567635368456704, 29480432084171748705792, 78401556201196275000295680, 210537848971493804380009055232, 569368618586592872585662539389952] |