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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 49 |
| 2 | 2352 |
| 3 | 112896 |
| 4 | 5419008 |
| 5 | 260112384 |
| 6 | 12485393256 |
| 7 | 599298819840 |
| 8 | 28766340643992 |
| 9 | 1380784220911872 |
| 10 | 66277636363782144 |
| 11 | 3181326245942132736 |
| 12 | 152703645428292064680 |
| 13 | 7329774290465429385408 |
| 14 | 351829132817899422588504 |
| 15 | 16887796785286144959221568 |
[1,49,2352,112896,5419008,260112384,12485393256, 599298819840,28766340643992,1380784220911872, 66277636363782144,3181326245942132736, 152703645428292064680,7329774290465429385408, 351829132817899422588504, 16887796785286144959221568] |