n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 4 |
4 | 32 |
5 | 396 |
6 | 6692 |
7 | 143816 |
8 | 3756104 |
9 | 115553024 |
10 | 4093236352 |
11 | 164098040448 |
12 | 7345463787136 |
13 | 363154251536896 |
14 | 19653476190481408 |
15 | 1155636468524067328 |
16 | 73364615077878838784 |
17 | 5001199614295920565248 |
18 | 364363128390631094137856 |
[1,1,1,4,32,396,6692,143816,3756104,115553024, 4093236352,164098040448,7345463787136, 363154251536896,19653476190481408, 1155636468524067328,73364615077878838784, 5001199614295920565248,364363128390631094137856] |