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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 27 |
| 4 | 272 |
| 5 | 3125 |
| 6 | 46915 |
| 7 | 823543 |
| 8 | 16781312 |
| 9 | 387421218 |
| 10 | 10000078125 |
| 11 | 285311670611 |
| 12 | 8916102153177 |
| 13 | 302875106592253 |
| 14 | 11112006865911623 |
| 15 | 437893890381640625 |
| 16 | 18446744074783358976 |
| 17 | 827240261886336764177 |
| 18 | 39346408075327943829273 |
[1,5,27,272,3125,46915,823543,16781312,387421218, 10000078125,285311670611,8916102153177, 302875106592253,11112006865911623, 437893890381640625,18446744074783358976, 827240261886336764177,39346408075327943829273] |