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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 49 |
| 2 | 2352 |
| 3 | 112896 |
| 4 | 5419008 |
| 5 | 260112384 |
| 6 | 12485394432 |
| 7 | 599298932736 |
| 8 | 28766348771328 |
| 9 | 1380784741023744 |
| 10 | 66277667569139712 |
| 11 | 3181328043318706176 |
| 12 | 152703746079297896448 |
| 13 | 7329779811806299029504 |
| 14 | 351829430966702353416192 |
| 15 | 16887812686401712963977216 |
[1,49,2352,112896,5419008,260112384,12485394432, 599298932736,28766348771328,1380784741023744, 66277667569139712,3181328043318706176, 152703746079297896448,7329779811806299029504, 351829430966702353416192, 16887812686401712963977216] |