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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 128 |
| 2 | 43793863 |
| 3 | 5765980032 |
| 4 | 156401023862 |
| 5 | 1935682046080 |
| 6 | 14862118997493 |
| 7 | 82608952539008 |
| 8 | 363455410347052 |
| 9 | 1339359393716352 |
| 10 | 4294566953004035 |
| 11 | 12309095341172608 |
| 12 | 32166963447719778 |
| 13 | 77797775304659072 |
| 14 | 176169028327719217 |
| 15 | 376942917127098240 |
| 16 | 767724795122229848 |
[0,128,43793863,5765980032,156401023862, 1935682046080,14862118997493,82608952539008, 363455410347052,1339359393716352,4294566953004035, 12309095341172608,32166963447719778, 77797775304659072,176169028327719217, 376942917127098240,767724795122229848] |