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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 92 |
| 3 | 1296 |
| 4 | 21204 |
| 5 | 391392 |
| 6 | 7994736 |
| 7 | 178242624 |
| 8 | 4292944992 |
| 9 | 110800827648 |
| 10 | 3044857866624 |
| 11 | 88617231585792 |
| 12 | 2719329626619648 |
| 13 | 87650060321746944 |
| 14 | 2957815082168303616 |
| 15 | 104203601012012802048 |
| 16 | 3822969716887701993984 |
[1,8,92,1296,21204,391392,7994736,178242624, 4292944992,110800827648,3044857866624, 88617231585792,2719329626619648,87650060321746944, 2957815082168303616,104203601012012802048, 3822969716887701993984] |