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| n | a(n) |
|---|---|
| 1 | 576 |
| 2 | 63504 |
| 3 | 23328900 |
| 4 | 280361536 |
| 5 | 285809990544 |
| 6 | 333781196644 |
| 7 | 47691924412356 |
| 8 | 113665876416400 |
| 9 | 347571590865984 |
| 10 | 16488262627956900 |
| 11 | 2792400404276224 |
| 12 | 33201691798862596 |
| 13 | 94938206778275364 |
| 14 | 293289874501264 |
| 15 | 7221841938953462016 |
| 16 | 2547393791118267204 |
| 17 | 26927835455229987600 |
[576,63504,23328900,280361536,285809990544, 333781196644,47691924412356,113665876416400, 347571590865984,16488262627956900, 2792400404276224,33201691798862596, 94938206778275364,293289874501264, 7221841938953462016,2547393791118267204, 26927835455229987600] |