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| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 4096 |
| 3 | 153664 |
| 4 | 4174016 |
| 5 | 97140736 |
| 6 | 2137096192 |
| 7 | 47016116224 |
| 8 | 1034354556928 |
| 9 | 22755800252416 |
| 10 | 500627605553152 |
| 11 | 11013807322169344 |
| 12 | 242303761087725568 |
| 13 | 5330682743929962496 |
| 14 | 117275020366459174912 |
| 15 | 2580050448062101848064 |
[64,4096,153664,4174016,97140736,2137096192, 47016116224,1034354556928,22755800252416, 500627605553152,11013807322169344, 242303761087725568,5330682743929962496, 117275020366459174912,2580050448062101848064] |