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| n | a(n) |
|---|---|
| 1 | 166272 |
| 2 | 86388160 |
| 3 | 15491352288 |
| 4 | 3861027028096 |
| 5 | 833994044863296 |
| 6 | 193942830390429600 |
| 7 | 43448233709038001344 |
| 8 | 9921625782478580791520 |
[166272,86388160,15491352288,3861027028096, 833994044863296,193942830390429600, 43448233709038001344,9921625782478580791520] |