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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 258 |
| 2 | 66563 |
| 3 | 17172996 |
| 4 | 4430566405 |
| 5 | 1143068959494 |
| 6 | 294907360983047 |
| 7 | 76084956064666632 |
| 8 | 19629623757323008009 |
| 9 | 5064366844433271399690 |
| 10 | 1306587016240026698112011 |
| 11 | 337094385823082454841499148 |
[1,258,66563,17172996,4430566405,1143068959494, 294907360983047,76084956064666632, 19629623757323008009,5064366844433271399690, 1306587016240026698112011, 337094385823082454841499148] |