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| n | a(n) |
|---|---|
| 1 | 1268 |
| 2 | 850420 |
| 3 | 245920800 |
| 4 | 44441926832 |
| 5 | 8155057418133 |
| 6 | 1730677620863096 |
| 7 | 383234474966286275 |
| 8 | 82717973078216789142 |
| 9 | 17493177554060762019050 |
| 10 | 3699163393647454115175243 |
| 11 | 786647310980989762790259895 |
[1268,850420,245920800,44441926832,8155057418133, 1730677620863096,383234474966286275, 82717973078216789142,17493177554060762019050, 3699163393647454115175243, 786647310980989762790259895] |