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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 192 |
| 3 | 3250 |
| 4 | 52542 |
| 5 | 755896 |
| 6 | 10458126 |
| 7 | 137349742 |
| 8 | 1754573922 |
| 9 | 21788175316 |
| 10 | 265455230994 |
| 11 | 3178355362288 |
| 12 | 37556128721778 |
| 13 | 438685969629340 |
| 14 | 5076857713344600 |
| 15 | 58286738856508324 |
| 16 | 664757848664621646 |
[8,192,3250,52542,755896,10458126,137349742, 1754573922,21788175316,265455230994,3178355362288, 37556128721778,438685969629340,5076857713344600, 58286738856508324,664757848664621646] |