n | a(n) |
---|---|
0 | 0 |
1 | -1 |
2 | 7 |
3 | -20 |
4 | 44 |
5 | -81 |
6 | 135 |
7 | -208 |
8 | 304 |
9 | -425 |
10 | 575 |
11 | -756 |
12 | 972 |
13 | -1225 |
14 | 1519 |
15 | -1856 |
16 | 2240 |
17 | -2673 |
18 | 3159 |
19 | -3700 |
20 | 4300 |
21 | -4961 |
22 | 5687 |
23 | -6480 |
24 | 7344 |
25 | -8281 |
26 | 9295 |
27 | -10388 |
28 | 11564 |
29 | -12825 |
30 | 14175 |
31 | -15616 |
32 | 17152 |
33 | -18785 |
34 | 20519 |
[0,-1,7,-20,44,-81,135,-208,304,-425,575,-756,972, -1225,1519,-1856,2240,-2673,3159,-3700,4300,-4961, 5687,-6480,7344,-8281,9295,-10388,11564,-12825, 14175,-15616,17152,-18785,20519] |