n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 12 |
4 | 576 |
5 | 1658880 |
6 | 16511297126400 |
7 | 1908360529573854283038720000 |
8 | 29134719286683212541013468732221146917416153907200000000 |
[1,1,2,12,576,1658880,16511297126400, 1908360529573854283038720000, 29134719286683212541013468732221146917416153907200\ 000000] |