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| n | a(n) |
|---|---|
| 0 | 576 |
| 1 | 7962624 |
| 2 | 110075314176 |
| 3 | 1521681143169024 |
| 4 | 21035720123168587776 |
| 5 | 290797794982682557415424 |
| 6 | 4019988717840603673710821376 |
| 7 | 55572324035428505185378394701824 |
[576,7962624,110075314176,1521681143169024, 21035720123168587776,290797794982682557415424, 4019988717840603673710821376, 55572324035428505185378394701824] |