n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 1 |
3 | -2 |
4 | 2 |
5 | -3 |
6 | 4 |
7 | -5 |
8 | 6 |
9 | -8 |
10 | 10 |
11 | -12 |
12 | 15 |
13 | -18 |
14 | 22 |
15 | -27 |
16 | 32 |
17 | -38 |
18 | 46 |
19 | -54 |
20 | 64 |
21 | -76 |
22 | 89 |
23 | -104 |
24 | 122 |
25 | -142 |
26 | 165 |
27 | -192 |
28 | 222 |
29 | -256 |
30 | 296 |
31 | -340 |
32 | 390 |
33 | -448 |
34 | 512 |
35 | -585 |
36 | 668 |
37 | -760 |
38 | 864 |
39 | -982 |
40 | 1113 |
41 | -1260 |
42 | 1426 |
43 | -1610 |
44 | 1816 |
45 | -2048 |
46 | 2304 |
47 | -2590 |
48 | 2910 |
49 | -3264 |
50 | 3658 |
51 | -4097 |
52 | 4582 |
53 | -5120 |
54 | 5718 |
55 | -6378 |
[1,-1,1,-2,2,-3,4,-5,6,-8,10,-12,15,-18,22,-27,32, -38,46,-54,64,-76,89,-104,122,-142,165,-192,222, -256,296,-340,390,-448,512,-585,668,-760,864,-982, 1113,-1260,1426,-1610,1816,-2048,2304,-2590,2910, -3264,3658,-4097,4582,-5120,5718,-6378] |