n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | -1 |
7 | -3 |
8 | -1 |
9 | 3 |
10 | 5 |
11 | 3 |
12 | -5 |
13 | -13 |
14 | -7 |
15 | 13 |
16 | 27 |
17 | 15 |
18 | -25 |
19 | -61 |
20 | -37 |
21 | 57 |
22 | 135 |
23 | 81 |
24 | -119 |
25 | -297 |
26 | -191 |
27 | 257 |
28 | 661 |
29 | 431 |
30 | -549 |
31 | -1455 |
32 | -991 |
33 | 1169 |
34 | 3225 |
35 | 2257 |
36 | -2497 |
37 | -7115 |
38 | -5145 |
39 | 5299 |
40 | 15725 |
41 | 11715 |
42 | -11261 |
43 | -34709 |
44 | -26623 |
45 | 23829 |
46 | 76603 |
47 | 60479 |
48 | -50361 |
49 | -168997 |
50 | -137173 |
51 | 106105 |
52 | 372655 |
53 | 310905 |
54 | -222951 |
[1,1,1,1,1,-1,-3,-1,3,5,3,-5,-13,-7,13,27,15,-25, -61,-37,57,135,81,-119,-297,-191,257,661,431,-549, -1455,-991,1169,3225,2257,-2497,-7115,-5145,5299, 15725,11715,-11261,-34709,-26623,23829,76603, 60479,-50361,-168997,-137173,106105,372655,310905, -222951] |