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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 16 |
| 2 | 778 |
| 3 | 94064 |
| 4 | 21203218 |
| 5 | 7679356144 |
| 6 | 4079013377242 |
| 7 | 2987290363267664 |
| 8 | 2884950332801855778 |
| 9 | 3552295906912003762512 |
| 10 | 5431778247093958269249706 |
| 11 | 10097951729467246217104155568 |
[2,16,778,94064,21203218,7679356144,4079013377242, 2987290363267664,2884950332801855778, 3552295906912003762512,5431778247093958269249706, 10097951729467246217104155568] |