n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 4 |
3 | -4 |
4 | 12 |
5 | -20 |
6 | 40 |
7 | -68 |
8 | 124 |
9 | -208 |
10 | 352 |
11 | -580 |
12 | 944 |
13 | -1508 |
14 | 2392 |
15 | -3732 |
16 | 5772 |
17 | -8836 |
18 | 13396 |
19 | -20132 |
20 | 30024 |
21 | -44412 |
22 | 65240 |
23 | -95188 |
24 | 137984 |
25 | -198808 |
26 | 284816 |
27 | -405764 |
28 | 575072 |
29 | -810980 |
30 | 1138184 |
31 | -1590132 |
32 | 2211868 |
33 | -3063740 |
34 | 4226640 |
35 | -5808372 |
36 | 7952204 |
37 | -10848196 |
38 | 14747560 |
[1,0,4,-4,12,-20,40,-68,124,-208,352,-580,944, -1508,2392,-3732,5772,-8836,13396,-20132,30024, -44412,65240,-95188,137984,-198808,284816,-405764, 575072,-810980,1138184,-1590132,2211868,-3063740, 4226640,-5808372,7952204,-10848196,14747560] |