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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 8 |
| 3 | 739 |
| 4 | 188278 |
| 5 | 102375969 |
| 6 | 101821432401 |
| 7 | 167335039031665 |
| 8 | 422730142353744596 |
| 9 | 1555259421231289181129 |
| 10 | 7990793301334594538543360 |
| 11 | 55446117019635417854317742418 |
| 12 | 505534592436277558571563209641430 |
| 13 | 5920020716842325326522410002905164381 |
[1,0,8,739,188278,102375969,101821432401, 167335039031665,422730142353744596, 1555259421231289181129,7990793301334594538543360, 55446117019635417854317742418, 505534592436277558571563209641430, 5920020716842325326522410002905164381] |