n | a(n) |
---|---|
0 | 0 |
1 | 30 |
2 | 217800 |
3 | 16294301520 |
4 | 6544151202877440 |
5 | 9764950519194817858560 |
6 | 42762698240957239228617722880 |
7 | 466476501707480855594001261422438400 |
8 | 11235366943887873286558941529247982529413120 |
[0,30,217800,16294301520,6544151202877440, 9764950519194817858560, 42762698240957239228617722880, 466476501707480855594001261422438400, 11235366943887873286558941529247982529413120] |