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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1664 |
| 3 | 6815744 |
| 4 | 10092544 |
| 5 | 27917287424 |
| 6 | 4707284156416 |
| 7 | 5506148073472 |
| 8 | 7060926234624 |
| 9 | 8259222110208 |
| 10 | 114349209288704 |
| 11 | 108649341010313216 |
| 12 | 468374361246531584 |
| 13 | 1918461383665793368064 |
| 14 | 7858017827495089635590144 |
| 15 | 11635911013790805806546944 |
| 16 | 183907840308875463202177024 |
[1,1664,6815744,10092544,27917287424, 4707284156416,5506148073472,7060926234624, 8259222110208,114349209288704,108649341010313216, 468374361246531584,1918461383665793368064, 7858017827495089635590144, 11635911013790805806546944, 183907840308875463202177024] |