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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 262144 |
| 3 | 387420489 |
| 4 | 68719476736 |
| 5 | 3814697265625 |
| 6 | 50779978334208 |
| 7 | 1628413597910449 |
| 8 | 18014398509481984 |
| 9 | 150094635296999121 |
| 10 | 100000000000000000 |
| 11 | 5559917313492231481 |
| 12 | 4437222213480873984 |
[1,262144,387420489,68719476736,3814697265625, 50779978334208,1628413597910449,18014398509481984, 150094635296999121,100000000000000000, 5559917313492231481,4437222213480873984] |