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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 49 |
| 2 | 2352 |
| 3 | 112896 |
| 4 | 5419008 |
| 5 | 260112384 |
| 6 | 12485394432 |
| 7 | 599298931560 |
| 8 | 28766348658432 |
| 9 | 1380784732896408 |
| 10 | 66277667049027840 |
| 11 | 3181328012113348608 |
| 12 | 152703744281921323008 |
| 13 | 7329779711155291815936 |
| 14 | 351829425445361287501224 |
[1,49,2352,112896,5419008,260112384,12485394432, 599298931560,28766348658432,1380784732896408, 66277667049027840,3181328012113348608, 152703744281921323008,7329779711155291815936, 351829425445361287501224] |