n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | 1 |
4 | -1 |
5 | 3 |
6 | -6 |
7 | 15 |
8 | -36 |
9 | 91 |
10 | -232 |
11 | 603 |
12 | -1585 |
13 | 4213 |
14 | -11298 |
15 | 30537 |
16 | -83097 |
17 | 227475 |
18 | -625992 |
19 | 1730787 |
20 | -4805595 |
21 | 13393689 |
22 | -37458330 |
23 | 105089229 |
24 | -295673994 |
25 | 834086421 |
26 | -2358641376 |
27 | 6684761125 |
28 | -18985057351 |
29 | 54022715451 |
30 | -154000562758 |
31 | 439742222071 |
32 | -1257643249140 |
[1,1,0,1,-1,3,-6,15,-36,91,-232,603,-1585,4213, -11298,30537,-83097,227475,-625992,1730787, -4805595,13393689,-37458330,105089229,-295673994, 834086421,-2358641376,6684761125,-18985057351, 54022715451,-154000562758,439742222071, -1257643249140] |