n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -4 |
3 | 24 |
4 | -135 |
5 | 696 |
6 | -3577 |
7 | 8738 |
8 | -21120 |
9 | 7182 |
10 | 85995 |
11 | 307692 |
12 | -4739379 |
13 | 72588316 |
14 | 1042545852 |
15 | 13023653868 |
16 | -40433805531 |
17 | -160245671048 |
18 | 2415459163787 |
19 | 80057252715814 |
20 | -4733090488738644 |
21 | 277504161503477090 |
22 | -7200884073495803561 |
23 | 97750528494490914120 |
[1,0,-4,24,-135,696,-3577,8738,-21120,7182,85995, 307692,-4739379,72588316,1042545852,13023653868, -40433805531,-160245671048,2415459163787, 80057252715814,-4733090488738644, 277504161503477090,-7200884073495803561, 97750528494490914120] |