n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 0 |
4 | 5 |
5 | 0 |
6 | 14 |
7 | -4 |
8 | 42 |
9 | -20 |
10 | 126 |
11 | -100 |
12 | 400 |
13 | -376 |
14 | 1248 |
15 | -1556 |
16 | 4231 |
17 | -5588 |
18 | 13880 |
19 | -21912 |
20 | 48985 |
21 | -76404 |
22 | 165712 |
23 | -295660 |
24 | 602237 |
25 | -1017452 |
26 | 2072268 |
27 | -3935956 |
28 | 7665833 |
29 | -13411588 |
30 | 26634782 |
31 | -52362292 |
32 | 99567378 |
33 | -176237580 |
34 | 348090340 |
35 | -699582108 |
[1,0,2,0,5,0,14,-4,42,-20,126,-100,400,-376,1248, -1556,4231,-5588,13880,-21912,48985,-76404,165712, -295660,602237,-1017452,2072268,-3935956,7665833, -13411588,26634782,-52362292,99567378,-176237580, 348090340,-699582108] |