n | a(n) |
---|---|
0 | 1 |
1 | -8 |
2 | 32 |
3 | -96 |
4 | 256 |
5 | -624 |
6 | 1408 |
7 | -3008 |
8 | 6144 |
9 | -12072 |
10 | 22976 |
11 | -42528 |
12 | 76800 |
13 | -135728 |
14 | 235264 |
15 | -400704 |
16 | 671744 |
17 | -1109904 |
18 | 1809568 |
19 | -2914272 |
20 | 4640256 |
21 | -7310592 |
22 | 11404416 |
23 | -17626944 |
24 | 27009024 |
25 | -41047992 |
26 | 61905088 |
27 | -92681664 |
28 | 137803776 |
29 | -203554224 |
[1,-8,32,-96,256,-624,1408,-3008,6144,-12072, 22976,-42528,76800,-135728,235264,-400704,671744, -1109904,1809568,-2914272,4640256,-7310592, 11404416,-17626944,27009024,-41047992,61905088, -92681664,137803776,-203554224] |