n | a(n) |
---|---|
0 | 2 |
1 | 4 |
2 | 1 |
3 | 80 |
4 | 1 |
5 | 1120 |
6 | 1 |
7 | 44800 |
8 | 1 |
9 | 197120 |
10 | 1 |
11 | 1793792000 |
12 | 1 |
13 | 102502400 |
14 | 1 |
15 | 4879114240000 |
16 | 1 |
17 | 259568877568000 |
18 | 1 |
19 | 40789395046400000 |
20 | 1 |
21 | 238803367362560000 |
22 | 1 |
23 | 9561686829196902400000 |
24 | 1 |
25 | 1050734816395264000000 |
26 | 1 |
27 | 7922540515620290560000000 |
28 | 1 |
29 | 52951091790199773986816000000 |
[2,4,1,80,1,1120,1,44800,1,197120,1,1793792000,1, 102502400,1,4879114240000,1,259568877568000,1, 40789395046400000,1,238803367362560000,1, 9561686829196902400000,1,1050734816395264000000,1, 7922540515620290560000000,1, 52951091790199773986816000000] |