n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | 1 |
4 | 0 |
5 | 2 |
6 | -3 |
7 | 4 |
8 | -4 |
9 | 4 |
10 | -9 |
11 | 14 |
12 | -19 |
13 | 30 |
14 | -42 |
15 | 50 |
16 | -76 |
17 | 128 |
18 | -194 |
19 | 286 |
20 | -412 |
21 | 598 |
22 | -909 |
23 | 1386 |
24 | -2100 |
25 | 3178 |
26 | -4763 |
27 | 7122 |
28 | -10758 |
29 | 16414 |
30 | -25061 |
31 | 38056 |
32 | -57643 |
33 | 87568 |
34 | -133436 |
35 | 203618 |
36 | -311128 |
37 | 475536 |
38 | -726355 |
39 | 1109718 |
40 | -1697766 |
41 | 2601166 |
42 | -3987903 |
43 | 6114666 |
[1,1,0,1,0,2,-3,4,-4,4,-9,14,-19,30,-42,50,-76, 128,-194,286,-412,598,-909,1386,-2100,3178,-4763, 7122,-10758,16414,-25061,38056,-57643,87568, -133436,203618,-311128,475536,-726355,1109718, -1697766,2601166,-3987903,6114666] |