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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 27634932 |
| 3 | 23230366488 |
| 4 | 16128206816904 |
| 5 | 10181956012212600 |
| 6 | 6090616046325570480 |
| 7 | 3516906597130333936872 |
| 8 | 1980763969657041721006344 |
| 9 | 1095070756128723603201412440 |
| 10 | 596778595867621855341816843744 |
[0,27634932,23230366488,16128206816904, 10181956012212600,6090616046325570480, 3516906597130333936872,1980763969657041721006344, 1095070756128723603201412440, 596778595867621855341816843744] |