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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 928 |
| 3 | 13488 |
| 4 | 204465 |
| 5 | 4133986 |
| 6 | 83789779 |
| 7 | 1573249156 |
| 8 | 30313615055 |
| 9 | 599085201676 |
| 10 | 11683514679835 |
| 11 | 226710415914945 |
| 12 | 4427771058677754 |
| 13 | 86480113102754305 |
| 14 | 1685348161505314066 |
| 15 | 32865485376562928455 |
| 16 | 641275359403985150891 |
[8,928,13488,204465,4133986,83789779,1573249156, 30313615055,599085201676,11683514679835, 226710415914945,4427771058677754, 86480113102754305,1685348161505314066, 32865485376562928455,641275359403985150891] |