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| n | a(n) |
|---|---|
| 1 | 2916 |
| 2 | 15778340 |
| 3 | 86878417604 |
| 4 | 478881915072688 |
| 5 | 2640002203816927226 |
| 6 | 14554067523333615991960 |
| 7 | 80235179157233210417254036 |
| 8 | 442328880747673272994524595152 |
| 9 | 2438516891360121789946284774426192 |
[2916,15778340,86878417604,478881915072688, 2640002203816927226,14554067523333615991960, 80235179157233210417254036, 442328880747673272994524595152, 2438516891360121789946284774426192] |