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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 42 |
| 3 | 2585 |
| 4 | 160210 |
| 5 | 9930417 |
| 6 | 615525626 |
| 7 | 38152658377 |
| 8 | 2364849293730 |
| 9 | 146582503552865 |
| 10 | 9085750370983882 |
| 11 | 563169940497447801 |
| 12 | 34907450560470779762 |
| 13 | 2163698764808690897425 |
| 14 | 134114415967578364860570 |
| 15 | 8312930091225049930457897 |
| 16 | 515267551239985517323529026 |
[1,42,2585,160210,9930417,615525626,38152658377, 2364849293730,146582503552865,9085750370983882, 563169940497447801,34907450560470779762, 2163698764808690897425,134114415967578364860570, 8312930091225049930457897, 515267551239985517323529026] |