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| n | a(n) |
|---|---|
| 1 | 24 |
| 2 | 176 |
| 3 | 450 |
| 4 | 3740 |
| 5 | 3776 |
| 6 | 64256 |
| 7 | 1043456 |
| 8 | 16756736 |
| 9 | 17545904 |
| 10 | 148122224 |
[24,176,450,3740,3776,64256,1043456,16756736, 17545904,148122224] |