n | a(n) |
---|---|
0 | 1 |
1 | 64 |
2 | 2016 |
3 | 41664 |
4 | 635376 |
5 | 7624512 |
6 | 74974368 |
7 | 621216192 |
8 | 4426165368 |
9 | 27540584512 |
10 | 151473214816 |
11 | 743595781824 |
12 | 3284214703056 |
13 | 13136858812224 |
14 | 47855699958816 |
15 | 159518999862720 |
16 | 488526937079580 |
17 | 1379370175283520 |
18 | 3601688791018080 |
[1,64,2016,41664,635376,7624512,74974368, 621216192,4426165368,27540584512,151473214816, 743595781824,3284214703056,13136858812224, 47855699958816,159518999862720,488526937079580, 1379370175283520,3601688791018080] |