n | a(n) |
---|---|
1 | 1 |
2 | -2 |
3 | 4 |
4 | -8 |
5 | 14 |
6 | -24 |
7 | 40 |
8 | -64 |
9 | 101 |
10 | -156 |
11 | 236 |
12 | -352 |
13 | 518 |
14 | -752 |
15 | 1080 |
16 | -1536 |
17 | 2162 |
18 | -3018 |
19 | 4180 |
20 | -5744 |
21 | 7840 |
22 | -10632 |
23 | 14328 |
24 | -19200 |
25 | 25591 |
26 | -33932 |
27 | 44776 |
28 | -58816 |
29 | 76918 |
30 | -100176 |
31 | 129952 |
32 | -167936 |
33 | 216240 |
34 | -277476 |
35 | 354864 |
36 | -452392 |
37 | 574958 |
38 | -728568 |
39 | 920600 |
[1,-2,4,-8,14,-24,40,-64,101,-156,236,-352,518, -752,1080,-1536,2162,-3018,4180,-5744,7840,-10632, 14328,-19200,25591,-33932,44776,-58816,76918, -100176,129952,-167936,216240,-277476,354864, -452392,574958,-728568,920600] |