n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 6 |
3 | 45 |
4 | 448 |
5 | 5825 |
6 | 95796 |
7 | 1926043 |
8 | 45944256 |
9 | 1269187137 |
10 | 39840825700 |
11 | 1400286658331 |
12 | 54462564354672 |
13 | 2321934762267601 |
14 | 107664031299459012 |
15 | 5393893268767761675 |
16 | 290341440380472614656 |
17 | 16710435419661861992705 |
18 | 1024009456958258244673860 |
[0,1,6,45,448,5825,95796,1926043,45944256, 1269187137,39840825700,1400286658331, 54462564354672,2321934762267601, 107664031299459012,5393893268767761675, 290341440380472614656,16710435419661861992705, 1024009456958258244673860] |