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| n | a(n) |
|---|---|
| 1 | 216 |
| 2 | 16384 |
| 3 | 1769472 |
| 4 | 191102976 |
| 5 | 21177040896 |
| 6 | 2356125106176 |
| 7 | 262687716016128 |
| 8 | 29299957655666688 |
| 9 | 3268377203523452928 |
| 10 | 364590293218429501440 |
| 11 | 40670509521269453488128 |
| 12 | 4536850283257824395919360 |
[216,16384,1769472,191102976,21177040896, 2356125106176,262687716016128,29299957655666688, 3268377203523452928,364590293218429501440, 40670509521269453488128,4536850283257824395919360] |