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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 216 |
| 3 | 5268024 |
| 4 | 59319000 |
| 5 | 114791256 |
| 6 | 209584584 |
| 7 | 543338496 |
| 8 | 970299000 |
| 9 | 1137893184 |
| 10 | 1177583616 |
| 11 | 1505060136 |
| 12 | 1728000000 |
| 13 | 4065356736 |
| 14 | 5545233000 |
| 15 | 5890514616 |
| 16 | 7011739944 |
| 17 | 8947094976 |
| 18 | 9340607016 |
| 19 | 10941048000 |
| 20 | 13824000000 |
| 21 | 14996130696 |
| 22 | 17293606056 |
| 23 | 17657244864 |
| 24 | 17902480896 |
| 25 | 20480864256 |
[8,216,5268024,59319000,114791256,209584584, 543338496,970299000,1137893184,1177583616, 1505060136,1728000000,4065356736,5545233000, 5890514616,7011739944,8947094976,9340607016, 10941048000,13824000000,14996130696,17293606056, 17657244864,17902480896,20480864256] |