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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 12 |
| 3 | 830 |
| 4 | 1867901 |
| 5 | 251714851830 |
| 6 | 3696867014099083814 |
| 7 | 8468768030682252554158546818 |
| 8 | 4074040763513889480730186336041282515610 |
| 9 | 533088609878310228401628064629048305794583364205468626 |
| 10 | 23856105278172150534783174192628043609641782797360374708050534816035626 |
[1,12,830,1867901,251714851830, 3696867014099083814,8468768030682252554158546818, 4074040763513889480730186336041282515610, 53308860987831022840162806462904830579458336420546\ 8626, 23856105278172150534783174192628043609641782797360\ 374708050534816035626] |