n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 12 |
3 | 152 |
4 | 2832 |
5 | 69152 |
6 | 2089152 |
7 | 75204992 |
8 | 3142025472 |
9 | 149428961792 |
10 | 7969790856192 |
11 | 471098477484032 |
12 | 30567292903821312 |
13 | 2159857294035525632 |
14 | 165083372031671058432 |
15 | 13570774387950150582272 |
16 | 1193933787763434969956352 |
17 | 111932230270819401046556672 |
[1,2,12,152,2832,69152,2089152,75204992, 3142025472,149428961792,7969790856192, 471098477484032,30567292903821312, 2159857294035525632,165083372031671058432, 13570774387950150582272,1193933787763434969956352, 111932230270819401046556672] |