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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 33024 |
| 3 | 21533202 |
| 4 | 2147614720 |
| 5 | 76294921875 |
| 6 | 1410559992576 |
| 7 | 16616485461604 |
| 8 | 140737555464192 |
| 9 | 926510288136165 |
| 10 | 5000000500000000 |
| 11 | 22974866110759926 |
| 12 | 92442132027408384 |
| 13 | 332708309893839607 |
| 14 | 1088976679235208960 |
[0,1,33024,21533202,2147614720,76294921875, 1410559992576,16616485461604,140737555464192, 926510288136165,5000000500000000, 22974866110759926,92442132027408384, 332708309893839607,1088976679235208960] |