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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 25 |
| 4 | 36 |
| 5 | 784 |
| 6 | 1764 |
| 7 | 2916 |
| 8 | 36864 |
| 9 | 46656 |
| 10 | 82944 |
| 11 | 746496 |
| 12 | 777924 |
| 13 | 49787136 |
| 14 | 329204736 |
| 15 | 429981696 |
| 16 | 914457600 |
| 17 | 3186376704 |
| 18 | 3657830400 |
| 19 | 3749847696 |
| 20 | 3869835264 |
| 21 | 7169347584 |
| 22 | 14999390784 |
| 23 | 19297377225 |
| 24 | 22658678784 |
| 25 | 149824733184 |
| 26 | 166659897600 |
| 27 | 247669456896 |
[0,1,25,36,784,1764,2916,36864,46656,82944,746496, 777924,49787136,329204736,429981696,914457600, 3186376704,3657830400,3749847696,3869835264, 7169347584,14999390784,19297377225,22658678784, 149824733184,166659897600,247669456896] |