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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 76 |
| 3 | 29184 |
| 4 | 268447936 |
| 5 | 45035996274688 |
| 6 | 131176846752109387776 |
| 7 | 6467605103205252048452583424 |
| 8 | 5316911983139663492479919370381869056 |
| 9 | 72172920362019897195243695442781187577923764224 |
| 10 | 16069380442589902755419620923449655543228876820136712994816 |
[4,76,29184,268447936,45035996274688, 131176846752109387776, 6467605103205252048452583424, 5316911983139663492479919370381869056, 72172920362019897195243695442781187577923764224, 16069380442589902755419620923449655543228876820136\ 712994816] |