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| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 2816 |
| 3 | 116902 |
| 4 | 4919857 |
| 5 | 206899873 |
| 6 | 8705322572 |
| 7 | 366212961052 |
| 8 | 15405701771951 |
| 9 | 648089607011677 |
| 10 | 27263883967801051 |
| 11 | 1146938725686437345 |
| 12 | 48249494957750674593 |
| 13 | 2029762991896348335492 |
| 14 | 85388205096837777567315 |
[64,2816,116902,4919857,206899873,8705322572, 366212961052,15405701771951,648089607011677, 27263883967801051,1146938725686437345, 48249494957750674593,2029762991896348335492, 85388205096837777567315] |