n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 1 |
3 | -1 |
4 | 1 |
5 | -2 |
6 | 2 |
7 | -3 |
8 | 4 |
9 | -6 |
10 | 9 |
11 | -12 |
12 | 17 |
13 | -22 |
14 | 30 |
15 | -40 |
16 | 54 |
17 | -74 |
18 | 100 |
19 | -138 |
20 | 188 |
21 | -258 |
22 | 352 |
23 | -479 |
24 | 653 |
25 | -887 |
26 | 1209 |
27 | -1645 |
28 | 2242 |
29 | -3056 |
30 | 4165 |
31 | -5680 |
32 | 7740 |
33 | -10551 |
34 | 14376 |
35 | -19589 |
36 | 26692 |
37 | -36368 |
38 | 49560 |
39 | -67532 |
40 | 92032 |
41 | -125416 |
42 | 170912 |
43 | -232912 |
44 | 317392 |
[1,-1,1,-1,1,-2,2,-3,4,-6,9,-12,17,-22,30,-40,54, -74,100,-138,188,-258,352,-479,653,-887,1209, -1645,2242,-3056,4165,-5680,7740,-10551,14376, -19589,26692,-36368,49560,-67532,92032,-125416, 170912,-232912,317392] |