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| n | a(n) |
|---|---|
| 3 | 64 |
| 4 | 90436 |
| 5 | 271278264 |
| 6 | 575181172848 |
| 7 | 938368767245100 |
| 8 | 1015365660375169884 |
| 9 | 670741116284963969812 |
| 10 | 256484299692597467704960 |
| 11 | 56121448314419948392997800 |
| 12 | 7274341665552710352776009900 |
[64,90436,271278264,575181172848,938368767245100, 1015365660375169884,670741116284963969812, 256484299692597467704960, 56121448314419948392997800, 7274341665552710352776009900] |