n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | -1 |
4 | 8 |
5 | -12 |
6 | 65 |
7 | -125 |
8 | 544 |
9 | -1224 |
10 | 4657 |
11 | -11593 |
12 | 40520 |
13 | -107700 |
14 | 356561 |
15 | -988901 |
16 | 3161728 |
17 | -9014352 |
18 | 28179745 |
19 | -81795025 |
20 | 252010184 |
21 | -740036124 |
22 | 2258722337 |
23 | -6682944653 |
24 | 20273892640 |
25 | -60278338200 |
26 | 182146752721 |
27 | -543273442201 |
28 | 1637465696648 |
29 | -4893939533892 |
30 | 14726379083825 |
[0,0,1,-1,8,-12,65,-125,544,-1224,4657,-11593, 40520,-107700,356561,-988901,3161728,-9014352, 28179745,-81795025,252010184,-740036124, 2258722337,-6682944653,20273892640,-60278338200, 182146752721,-543273442201,1637465696648, -4893939533892,14726379083825] |