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| n | a(n) |
|---|---|
| 1 | 175 |
| 2 | 1074 |
| 3 | 8926 |
| 4 | 63838 |
| 5 | 507035 |
| 6 | 3797920 |
| 7 | 29561841 |
| 8 | 224378004 |
| 9 | 1731531322 |
| 10 | 13218640560 |
| 11 | 101623450551 |
| 12 | 777700795868 |
| 13 | 5969371745835 |
| 14 | 45729619667448 |
| 15 | 350767461372176 |
| 16 | 2688316203091256 |
| 17 | 20614685172668943 |
| 18 | 158022715770190920 |
[175,1074,8926,63838,507035,3797920,29561841, 224378004,1731531322,13218640560,101623450551, 777700795868,5969371745835,45729619667448, 350767461372176,2688316203091256, 20614685172668943,158022715770190920] |