n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 1 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 1 |
7 | -1 |
8 | 2 |
9 | -2 |
10 | 3 |
11 | -2 |
12 | 3 |
13 | -2 |
14 | 4 |
15 | -3 |
16 | 6 |
17 | -5 |
18 | 9 |
19 | -7 |
20 | 12 |
21 | -9 |
22 | 16 |
23 | -12 |
24 | 22 |
25 | -17 |
26 | 31 |
27 | -24 |
28 | 43 |
29 | -33 |
30 | 59 |
31 | -45 |
32 | 81 |
33 | -63 |
34 | 113 |
35 | -88 |
36 | 156 |
37 | -121 |
38 | 215 |
39 | -168 |
40 | 298 |
41 | -233 |
42 | 412 |
43 | -323 |
44 | 570 |
45 | -448 |
46 | 788 |
47 | -621 |
48 | 1090 |
49 | -861 |
50 | 1507 |
51 | -1193 |
52 | 2084 |
53 | -1654 |
54 | 2882 |
55 | -2293 |
[1,-1,1,0,0,0,1,-1,2,-2,3,-2,3,-2,4,-3,6,-5,9,-7, 12,-9,16,-12,22,-17,31,-24,43,-33,59,-45,81,-63, 113,-88,156,-121,215,-168,298,-233,412,-323,570, -448,788,-621,1090,-861,1507,-1193,2084,-1654, 2882,-2293] |