n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 3 |
3 | 0 |
4 | 32 |
5 | 182 |
6 | 1882 |
7 | 20500 |
8 | 260136 |
9 | 3701968 |
10 | 58565360 |
11 | 1019110848 |
12 | 19346296752 |
13 | 397867297136 |
14 | 8811800026928 |
15 | 209100451072672 |
16 | 5292665533921024 |
17 | 142338738348972672 |
18 | 4053176346277660288 |
19 | 121828547313861426176 |
20 | 3854597854165079424768 |
[1,-1,3,0,32,182,1882,20500,260136,3701968, 58565360,1019110848,19346296752,397867297136, 8811800026928,209100451072672,5292665533921024, 142338738348972672,4053176346277660288, 121828547313861426176,3854597854165079424768] |