n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 0 |
3 | -16 |
4 | 0 |
5 | 56 |
6 | 0 |
7 | -160 |
8 | 0 |
9 | 404 |
10 | 0 |
11 | -944 |
12 | 0 |
13 | 2072 |
14 | 0 |
15 | -4320 |
16 | 0 |
17 | 8648 |
18 | 0 |
19 | -16720 |
20 | 0 |
21 | 31360 |
22 | 0 |
23 | -57312 |
24 | 0 |
25 | 102364 |
26 | 0 |
27 | -179104 |
28 | 0 |
29 | 307672 |
30 | 0 |
31 | -519808 |
32 | 0 |
33 | 864960 |
34 | 0 |
35 | -1419456 |
36 | 0 |
37 | 2299832 |
38 | 0 |
39 | -3682400 |
40 | 0 |
41 | 5831784 |
42 | 0 |
43 | -9141808 |
44 | 0 |
45 | 14194200 |
46 | 0 |
47 | -21842368 |
48 | 0 |
[1,4,0,-16,0,56,0,-160,0,404,0,-944,0,2072,0, -4320,0,8648,0,-16720,0,31360,0,-57312,0,102364,0, -179104,0,307672,0,-519808,0,864960,0,-1419456,0, 2299832,0,-3682400,0,5831784,0,-9141808,0, 14194200,0,-21842368,0] |