n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | -1 |
4 | 3 |
5 | -8 |
6 | 21 |
7 | -54 |
8 | 134 |
9 | -318 |
10 | 720 |
11 | -1560 |
12 | 3259 |
13 | -6641 |
14 | 13391 |
15 | -27107 |
16 | 55657 |
17 | -116244 |
18 | 245823 |
19 | -521738 |
20 | 1101566 |
21 | -2299215 |
22 | 4730990 |
23 | -9601095 |
24 | 19273729 |
25 | -38446742 |
26 | 76598275 |
27 | -153119606 |
28 | 308061214 |
29 | -624460449 |
30 | 1274268038 |
31 | -2611866713 |
32 | 5362888620 |
33 | -11003127203 |
34 | 22516189988 |
[1,0,-1,3,-8,21,-54,134,-318,720,-1560,3259,-6641, 13391,-27107,55657,-116244,245823,-521738,1101566, -2299215,4730990,-9601095,19273729,-38446742, 76598275,-153119606,308061214,-624460449, 1274268038,-2611866713,5362888620,-11003127203, 22516189988] |