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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 9 |
| 5 | 8 |
| 6 | 36 |
| 7 | 216 |
| 8 | 100 |
| 9 | 13824 |
| 10 | 225 |
| 11 | 1728000 |
| 12 | 441 |
| 13 | 373248000 |
| 14 | 784 |
| 15 | 128024064000 |
| 16 | 1296 |
| 17 | 65548320768000 |
| 18 | 2025 |
| 19 | 47784725839872000 |
| 20 | 3025 |
| 21 | 47784725839872000000 |
| 22 | 4356 |
| 23 | 63601470092869632000000 |
| 24 | 6084 |
[0,1,1,1,9,8,36,216,100,13824,225,1728000,441, 373248000,784,128024064000,1296,65548320768000, 2025,47784725839872000,3025,47784725839872000000, 4356,63601470092869632000000,6084] |