n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 72 |
4 | 8536 |
5 | 2231690 |
6 | 1354321470 |
7 | 2028744947006 |
8 | 7685048253383394 |
9 | 74968472049231105434 |
10 | 1906199245553492643004970 |
[0,0,72,8536,2231690,1354321470,2028744947006, 7685048253383394,74968472049231105434, 1906199245553492643004970] |