n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 10 |
4 | 88 |
5 | 1096 |
6 | 11856 |
7 | -402480 |
8 | -1891968 |
9 | 36024603264 |
10 | 359905478400 |
11 | -53686393014816000 |
12 | -644141701131494400 |
13 | 1790653231402788752593920 |
14 | 25068910772059830672353280 |
15 | -1280832036591718248285105113241600 |
[0,1,2,10,88,1096,11856,-402480,-1891968, 36024603264,359905478400,-53686393014816000, -644141701131494400,1790653231402788752593920, 25068910772059830672353280, -1280832036591718248285105113241600] |