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| n | a(n) |
|---|---|
| 1 | 17 |
| 2 | 7954 |
| 3 | 23557648 |
| 4 | 249581834276 |
| 5 | 6985971879768576 |
| 6 | 428313101742584476552 |
| 7 | 50648802606721926260916224 |
| 8 | 10537561069087080809570265074448 |
| 9 | 3598422455223499123258044906373120000 |
| 10 | 1910287477970606754101128649923632473220896 |
[17,7954,23557648,249581834276,6985971879768576, 428313101742584476552,50648802606721926260916224, 10537561069087080809570265074448, 3598422455223499123258044906373120000, 1910287477970606754101128649923632473220896] |