n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 6 |
5 | 2146 |
6 | 304752 |
7 | 25400564 |
8 | 1557306954 |
9 | 78817977462 |
10 | 3513106214484 |
11 | 143429796694888 |
12 | 5501383287745422 |
13 | 201652447559180618 |
14 | 7148287976359243896 |
15 | 247151326758617289372 |
16 | 8386495692534098616210 |
17 | 280574309728711561269214 |
18 | 9286566498536162168164188 |
[0,0,0,0,6,2146,304752,25400564,1557306954, 78817977462,3513106214484,143429796694888, 5501383287745422,201652447559180618, 7148287976359243896,247151326758617289372, 8386495692534098616210,280574309728711561269214, 9286566498536162168164188] |