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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 64 |
| 3 | 65472 |
| 4 | 66912384 |
| 5 | 68384391040 |
| 6 | 69888780730560 |
| 7 | 71426265522241344 |
| 8 | 72997573474949923072 |
| 9 | 74603448665133299138304 |
| 10 | 76244651538192756769423680 |
| 11 | 77921959268584332285051862720 |
| 12 | 79636166127841649402566234276224 |
| 13 | 81388083860694897105090406378438272 |
[0,0,64,65472,66912384,68384391040,69888780730560, 71426265522241344,72997573474949923072, 74603448665133299138304, 76244651538192756769423680, 77921959268584332285051862720, 79636166127841649402566234276224, 81388083860694897105090406378438272] |