n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 0 |
3 | -54 |
4 | -324 |
5 | -972 |
6 | 0 |
7 | 17496 |
8 | 104976 |
9 | 314928 |
10 | 0 |
11 | -5668704 |
12 | -34012224 |
13 | -102036672 |
14 | 0 |
15 | 1836660096 |
16 | 11019960576 |
17 | 33059881728 |
18 | 0 |
19 | -595077871104 |
20 | -3570467226624 |
21 | -10711401679872 |
22 | 0 |
23 | 192805230237696 |
24 | 1156831381426176 |
25 | 3470494144278528 |
[1,3,0,-54,-324,-972,0,17496,104976,314928,0, -5668704,-34012224,-102036672,0,1836660096, 11019960576,33059881728,0,-595077871104, -3570467226624,-10711401679872,0,192805230237696, 1156831381426176,3470494144278528] |