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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 790 |
| 3 | 148718 |
| 4 | 35154340 |
| 5 | 9408671330 |
| 6 | 2725410001024 |
| 7 | 834014033203632 |
| 8 | 265724127467961324 |
| 9 | 87318355216835049968 |
| 10 | 29402690636348418710858 |
| 11 | 10098693807141197229592054 |
| 12 | 3525753285145412581617963136 |
| 13 | 1248001014165722671454730108968 |
| 14 | 446964111600452023289482445527716 |
[1,8,790,148718,35154340,9408671330,2725410001024, 834014033203632,265724127467961324, 87318355216835049968,29402690636348418710858, 10098693807141197229592054, 3525753285145412581617963136, 1248001014165722671454730108968, 446964111600452023289482445527716] |