n | a(n) |
---|---|
1 | 1 |
2 | -2 |
3 | 1 |
4 | -4 |
5 | 10 |
6 | -10 |
7 | 12 |
8 | -24 |
9 | 37 |
10 | -44 |
11 | 56 |
12 | -84 |
13 | 126 |
14 | -160 |
15 | 186 |
16 | -272 |
17 | 394 |
18 | -466 |
19 | 568 |
20 | -792 |
21 | 1052 |
22 | -1272 |
23 | 1560 |
24 | -2040 |
25 | 2663 |
26 | -3244 |
27 | 3877 |
28 | -4992 |
29 | 6410 |
30 | -7644 |
31 | 9180 |
32 | -11616 |
33 | 14472 |
34 | -17284 |
35 | 20712 |
36 | -25572 |
37 | 31518 |
38 | -37576 |
39 | 44510 |
40 | -54416 |
41 | 66402 |
42 | -78368 |
43 | 92648 |
[1,-2,1,-4,10,-10,12,-24,37,-44,56,-84,126,-160, 186,-272,394,-466,568,-792,1052,-1272,1560,-2040, 2663,-3244,3877,-4992,6410,-7644,9180,-11616, 14472,-17284,20712,-25572,31518,-37576,44510, -54416,66402,-78368,92648] |