n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 1 |
3 | -3 |
4 | 3 |
5 | -4 |
6 | 6 |
7 | -7 |
8 | 10 |
9 | -13 |
10 | 17 |
11 | -23 |
12 | 30 |
13 | -40 |
14 | 53 |
15 | -70 |
16 | 93 |
17 | -123 |
18 | 163 |
19 | -216 |
20 | 286 |
21 | -379 |
22 | 502 |
23 | -665 |
24 | 881 |
25 | -1167 |
26 | 1546 |
27 | -2048 |
28 | 2713 |
29 | -3594 |
30 | 4761 |
31 | -6307 |
32 | 8355 |
33 | -11068 |
34 | 14662 |
35 | -19423 |
36 | 25730 |
37 | -34085 |
38 | 45153 |
39 | -59815 |
40 | 79238 |
[1,-2,1,-3,3,-4,6,-7,10,-13,17,-23,30,-40,53,-70, 93,-123,163,-216,286,-379,502,-665,881,-1167,1546, -2048,2713,-3594,4761,-6307,8355,-11068,14662, -19423,25730,-34085,45153,-59815,79238] |