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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 8 |
| 4 | 81 |
| 5 | 1024 |
| 6 | 15625 |
| 7 | 279936 |
| 8 | 5764801 |
| 9 | 134217728 |
| 10 | 3486784401 |
| 11 | 100000000000 |
| 12 | 3138428376721 |
| 13 | 106993205379072 |
| 14 | 3937376385699289 |
| 15 | 155568095557812224 |
| 16 | 6568408355712890625 |
| 17 | 295147905179352825856 |
| 18 | 14063084452067724991009 |
| 19 | 708235345355337676357632 |
[1,0,1,8,81,1024,15625,279936,5764801,134217728, 3486784401,100000000000,3138428376721, 106993205379072,3937376385699289, 155568095557812224,6568408355712890625, 295147905179352825856,14063084452067724991009, 708235345355337676357632] |